X1XX121XX2111111
X1XXXX111X111111
X1XXXXX1X2111111
X1XXX2XX1X112111
X1X21XXX1X111111
X1X212X112112111
X12X1X1112112111
X12X1XX1XX112111
X12X12XXX2111111
X122XX1X12112111
X122XX1XX2112111
X122X2X1XX111111
21XX1X1XXX112111
21XX1XXX12112111
21XX12X11X111111
21X212XXX2112111
21X2XXX1XX112111
21X2X2XX12111111
212XXX1X12111111
212XXXXXXX111111
212XX211X2112111
212212XX1X112111
