scan 3 row 7 chip 5
scan 4 row 5 chips 3,5
scan 4 row 6 chips 3,5
scan 5 row 2 chip 5
scan 5 row 3 chip 3
scan 5 row 4 chip 4
scan 5 row 7 chip 5
scan 6 row 4 chip 5
scan 7 row 4 chip 4
scan 7 row 5 chip 4
scan 7 row 7 chip 1