1     7    21    21
010000000000000000000
000100000000000000000
000010000000000000000
000000100000000000000
666660000000000000000
000000001000000000000
110000600000000000000
000000000010000000000
000000000000100000000
000000000000010000000
000000000000000100000
000000000000000010000
000000000000000000100
000000000000000000010
000000000000000000001
266112531013403440004
315305235354430242520
016202604241214512523
014102564451133603524
605301556152133612434
120312405252024412524