000000000000000000
000000000000000000
0000000000000a0000
000020000000030000
000000000000000000
000000000000000000
000000000000000000
000000000000000000
00000000a000000000
0000000000000a0000

222222222222222222
222222222222222222
222000000002002222
222000000001102222
222000000002822222
222000000000002222
222022222222822222
222000000008002222
222000000002402222
222000000002002222

7
2
1