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@ -48,7 +48,7 @@ MMU2 mmu2;
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#define MMU_TODELAY 100
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#define MMU_TIMEOUT 10
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#define MMU_CMD_TIMEOUT 60000ul // 5min timeout for mmu commands (except P0)
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#define MMU_P0_TIMEOUT 3000ul //timeout for P0 command: 3seconds
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#define MMU_P0_TIMEOUT 3000ul // Timeout for P0 command: 3seconds
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#define MMU_CMD_NONE 0
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#define MMU_CMD_T0 0x10
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@ -327,7 +327,6 @@ void MMU2::mmu_loop() {
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}
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}
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/**
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* Check if MMU was started
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*/
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@ -340,7 +339,6 @@ bool MMU2::rx_start() {
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return false;
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}
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/**
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* Check if the data received ends with the given string.
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*/
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@ -373,7 +371,6 @@ bool MMU2::rx_str_P(const char* str) {
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return true;
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}
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/**
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* Transfer data to MMU, no argument
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*/
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@ -385,7 +382,6 @@ void MMU2::tx_str_P(const char* str) {
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last_request = millis();
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}
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/**
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* Transfer data to MMU, single argument
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*/
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@ -397,7 +393,6 @@ void MMU2::tx_printf_P(const char* format, int argument = -1) {
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last_request = millis();
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}
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/**
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* Transfer data to MMU, two arguments
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*/
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@ -409,7 +404,6 @@ void MMU2::tx_printf_P(const char* format, int argument1, int argument2) {
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last_request = millis();
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}
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/**
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* Empty the rx buffer
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*/
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@ -418,7 +412,6 @@ void MMU2::clear_rx_buffer() {
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rx_buffer[0] = '\0';
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}
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/**
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* Check if we received 'ok' from MMU
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*/
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@ -430,7 +423,6 @@ bool MMU2::rx_ok() {
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return false;
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}
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/**
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* Check if MMU has compatible firmware
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*/
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@ -443,7 +435,6 @@ void MMU2::check_version() {
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}
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}
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/**
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* Handle tool change
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*/
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@ -455,14 +446,12 @@ void MMU2::tool_change(uint8_t index) {
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if (index != extruder) {
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KEEPALIVE_STATE(IN_HANDLER);
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disable_E0();
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ui.status_printf_P(0, PSTR(MSG_MMU2_LOADING_FILAMENT), int(index + 1));
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command(MMU_CMD_T0 + index);
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manage_response(true, true);
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KEEPALIVE_STATE(IN_HANDLER);
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command(MMU_CMD_C0);
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extruder = index; //filament change is finished
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@ -474,13 +463,11 @@ void MMU2::tool_change(uint8_t index) {
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SERIAL_ECHOLNPAIR(MSG_ACTIVE_EXTRUDER, int(extruder));
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ui.reset_status();
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KEEPALIVE_STATE(NOT_BUSY);
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}
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set_runout_valid(true);
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}
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/**
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*
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* Handle special T?/Tx/Tc commands
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@ -497,7 +484,6 @@ void MMU2::tool_change(const char* special) {
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#if ENABLED(MMU2_MENUS)
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set_runout_valid(false);
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KEEPALIVE_STATE(IN_HANDLER);
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switch (*special) {
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case '?': {
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@ -526,14 +512,11 @@ void MMU2::tool_change(const char* special) {
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} break;
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}
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KEEPALIVE_STATE(NOT_BUSY);
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set_runout_valid(true);
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#endif
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}
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/**
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* Set next command
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*/
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@ -543,7 +526,6 @@ void MMU2::command(const uint8_t mmu_cmd) {
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ready = false;
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}
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/**
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* Wait for response from MMU
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*/
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@ -561,11 +543,10 @@ bool MMU2::get_response(void) {
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return ret;
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}
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/**
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* Wait for response and deal with timeout if nexcessary
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*/
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void MMU2::manage_response(bool move_axes, bool turn_off_nozzle) {
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void MMU2::manage_response(const bool move_axes, const bool turn_off_nozzle) {
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bool response = false;
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mmu_print_saved = false;
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@ -573,12 +554,14 @@ void MMU2::manage_response(bool move_axes, bool turn_off_nozzle) {
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float resume_position[XYZE];
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int16_t resume_hotend_temp;
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KEEPALIVE_STATE(PAUSED_FOR_USER);
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while (!response) {
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response = get_response(); // wait for "ok" from mmu
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if (!response) { //no "ok" was received in reserved time frame, user will fix the issue on mmu unit
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if (!mmu_print_saved) { //first occurence, we are saving current position, park print head in certain position and disable nozzle heater
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if (!response) { // No "ok" was received in reserved time frame, user will fix the issue on mmu unit
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if (!mmu_print_saved) { // First occurrence. Save current position, park print head, disable nozzle heater.
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planner.synchronize();
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@ -600,13 +583,10 @@ void MMU2::manage_response(bool move_axes, bool turn_off_nozzle) {
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BUZZ(100, 659);
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BUZZ(300, 440);
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BUZZ(100, 659);
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KEEPALIVE_STATE(PAUSED_FOR_USER);
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}
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}
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else if (mmu_print_saved) {
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SERIAL_ECHOLNPGM("MMU starts responding\n");
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KEEPALIVE_STATE(IN_HANDLER);
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if (turn_off_nozzle && resume_hotend_temp) {
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thermalManager.setTargetHotend(resume_hotend_temp, active_extruder);
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@ -639,14 +619,10 @@ void MMU2::manage_response(bool move_axes, bool turn_off_nozzle) {
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void MMU2::set_filament_type(uint8_t index, uint8_t filamentType) {
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if (!enabled) return;
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KEEPALIVE_STATE(IN_HANDLER);
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cmd_arg = filamentType;
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command(MMU_CMD_F0 + index);
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manage_response(true, true);
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KEEPALIVE_STATE(NOT_BUSY);
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}
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void MMU2::filament_runout() {
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@ -679,8 +655,6 @@ void MMU2::filament_runout() {
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return false;
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}
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else {
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KEEPALIVE_STATE(IN_HANDLER);
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command(MMU_CMD_T0 + index);
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manage_response(true, true);
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command(MMU_CMD_C0);
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@ -692,8 +666,6 @@ void MMU2::filament_runout() {
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load_to_nozzle();
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BUZZ(200, 404);
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KEEPALIVE_STATE(NOT_BUSY);
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return true;
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}
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}
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@ -721,7 +693,6 @@ void MMU2::filament_runout() {
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return false;
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}
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KEEPALIVE_STATE(IN_HANDLER);
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LCD_MESSAGEPGM(MSG_MMU2_EJECTING_FILAMENT);
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const bool saved_e_relative_mode = gcode.axis_relative_modes[E_AXIS];
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gcode.axis_relative_modes[E_AXIS] = true;
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@ -757,8 +728,6 @@ void MMU2::filament_runout() {
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BUZZ(200, 404);
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KEEPALIVE_STATE(NOT_BUSY);
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gcode.axis_relative_modes[E_AXIS] = saved_e_relative_mode;
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disable_E0();
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@ -781,8 +750,6 @@ void MMU2::filament_runout() {
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return false;
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}
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KEEPALIVE_STATE(IN_HANDLER);
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filament_ramming();
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command(MMU_CMD_U0);
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@ -795,8 +762,6 @@ void MMU2::filament_runout() {
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set_runout_valid(false);
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KEEPALIVE_STATE(NOT_BUSY);
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return true;
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}
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