XX1111X12X112221
XX111XX12XX22221
221221X12X112221
22122XX12XX22221
22111XX12X112221
221111X12XX22221
XX122XX12X112221
XX1221X12XX22221
2X1211X12XX12221
2X121XX12X122221
X21121X12XX12221
X2112XX12X122221
2X1121X12X122221
2X112XX12XX12221
X21211X12X122221
X2121XX12XX12221
11X1212X2211X111
11X1212X2211X211
