000000000000000000
000000000000000000
000000000dc0000000
000000000000000000
000000000000000000
000000000000000000
000000000000000000
000000000000000000
000000000000000000
000200000000000000

222222222222222222
222222222222222222
222002000000002222
2220cc0c0220002222
222002020200002222
222002c20200002222
222000000200002222
222b3bb0b200002222
222233323200002222
222000000000002222

7
6
1