event18 - palm: touch 0, palm detected (tool-palm)
event18 - button state: touch 0 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event18 - palm: touch 0, palm detected (tool-palm)
event18 - button state: touch 0 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event18 - button state: touch 0 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event18 - tap: touch 0 state TAP_STATE_IDLE → TAP_EVENT_TOUCH → TAP_STATE_TOUCH
event18 - button state: touch 1 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event18 - button state: touch 2 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event18 - button state: touch 3 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event18 - tap: touch 1 state TAP_STATE_TOUCH → TAP_EVENT_TOUCH → TAP_STATE_TOUCH_2
event18 - tap: touch 2 state TAP_STATE_TOUCH_2 → TAP_EVENT_TOUCH → TAP_STATE_TOUCH_3
event18 - tap: touch 3 state TAP_STATE_TOUCH_3 → TAP_EVENT_TOUCH → TAP_STATE_DEAD
event18 - gesture state: GESTURE_STATE_NONE → GESTURE_STATE_UNKNOWN
event18 - button state: touch 3 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event18 - gesture state: GESTURE_STATE_NONE → GESTURE_STATE_UNKNOWN
event18 - button state: touch 2 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event18 - gesture state: GESTURE_STATE_NONE → GESTURE_STATE_UNKNOWN
event18 - button state: touch 1 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event18 - button state: touch 0 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event18 - tap: touch 0 state TAP_STATE_DEAD → TAP_EVENT_RELEASE → TAP_STATE_IDLE
