112XXX211X112111
1X2XXX212X112111
112XX21112112111
1X2XX21122112111
XX2XX1211X112111
X12XXX1122X12111
XX2XXX1112212111
X12XX21122X12111
XX2XX2211X212111
2X2XX1111XX12111
2X2XX12112X12111
212XX1112X212111
212XX12122212111
