event8  - palm: touch 4 (TOUCH_BEGIN), palm detected (tool-palm)
event8  - button state: touch 4 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event8  - palm: touch 4 (TOUCH_END), palm detected (tool-palm)
event8  - button state: touch 4 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event8  - button state: touch 4 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event8  - tap: touch 4 (TOUCH_BEGIN), tap state TAP_STATE_IDLE → TAP_EVENT_TOUCH → TAP_STATE_TOUCH
event8  - button state: touch 1 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event8  - button state: touch 2 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event8  - button state: touch 3 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event8  - tap: touch 1 (TOUCH_BEGIN), tap state TAP_STATE_TOUCH → TAP_EVENT_TOUCH → TAP_STATE_TOUCH_2
event8  - tap: touch 2 (TOUCH_BEGIN), tap state TAP_STATE_TOUCH_2 → TAP_EVENT_TOUCH → TAP_STATE_TOUCH_3
event8  - tap: touch 3 (TOUCH_BEGIN), tap state TAP_STATE_TOUCH_3 → TAP_EVENT_TOUCH → TAP_STATE_DEAD
event8  - gesture state: GESTURE_STATE_NONE → GESTURE_STATE_UNKNOWN
event8  - button state: touch 3 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event8  - gesture state: GESTURE_STATE_NONE → GESTURE_STATE_UNKNOWN
event8  - button state: touch 2 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event8  - gesture state: GESTURE_STATE_NONE → GESTURE_STATE_UNKNOWN
event8  - button state: touch 1 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event8  - button state: touch 4 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event8  - tap: touch 4 (TOUCH_END), tap state TAP_STATE_DEAD → TAP_EVENT_RELEASE → TAP_STATE_IDLE
