000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000
0000000000000000
00000000000
0000000000000000000000000000000000
000000000000000000000000000
000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000
00000000000000000000000000000000000000000
0000000000000000000000000000000000000
000000000000000000000000000000
0000000000000000000000000000000000000
00000000000000000000000000000
000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000
0000000000000000000000000000000000000000000000