7
0 0 15 A_Small
0 250 20 Big
300 90 3 tB
310 90 2 tA
320 90 1 tC
290 90 2 tA2
280 90 1 tC2
1
1999 90 -100 90

Right answer:
Power on. CELL_ID:Big, SIGNAL_LEVEL:RED
Cell changed. CELL_ID:tA, SIGNAL_LEVEL:ORANGE
Signal changed. SIGNAL_LEVEL:YELLOW
Signal changed. SIGNAL_LEVEL:GREEN
Signal changed. SIGNAL_LEVEL:BLUE
Signal changed. SIGNAL_LEVEL:INDIGO
Signal changed. SIGNAL_LEVEL:VIOLET
Signal changed. SIGNAL_LEVEL:INDIGO
Signal changed. SIGNAL_LEVEL:BLUE
Signal changed. SIGNAL_LEVEL:GREEN
Signal changed. SIGNAL_LEVEL:YELLOW
Signal changed. SIGNAL_LEVEL:ORANGE
Signal changed. SIGNAL_LEVEL:RED
Cell changed. CELL_ID:tA2, SIGNAL_LEVEL:VIOLET
Signal changed. SIGNAL_LEVEL:INDIGO
Signal changed. SIGNAL_LEVEL:BLUE
Signal changed. SIGNAL_LEVEL:GREEN
Signal changed. SIGNAL_LEVEL:YELLOW
Signal changed. SIGNAL_LEVEL:ORANGE
Signal changed. SIGNAL_LEVEL:RED
Cell changed. CELL_ID:A_Small, SIGNAL_LEVEL:ORANGE
Signal changed. SIGNAL_LEVEL:YELLOW
Signal changed. SIGNAL_LEVEL:ORANGE