0000000000000000000000000000000000000000000
000000 000000000 0
000000 000000000 000000000 0
000000 0000000 000000000 0 0 0
000000 0 0 000000000 000000000 0
000000 0 0 000000000 0
000000 0 0 000000000 00000000000
000000 0000000 000000000 00
00 00000 00
00 0000000000000 00000 00
00 0 0 00000000000
00000000000000000000000