23 17
11200211010202021
20001021011011000
11212001202002001
01110112100000201
02002110210211020
00101001001002101
00120120020001100
20210200012012100
00021011000211200
20110212020012101
12120020002010020
01200202011102101
00102111112011101
21111120010210211
11202002121111102
20120210011120020
12100020021002002
00110001110210021
21000102121102001
02120210100200112
21112121002100111
01011001000210101
11012112002020200