11X11X1X1XX11112
11XX111X11211X12
1XX1111X11211112
1XX11X1XXXX11X12
1XXX1X1XXXX11112
1XXX1X1XXXX11X12
12XX1111X1211112
12X211111XX11112
X2XX111111211112
X2X21111XXXX1112
X2221111XXX11112
X2221111XXXX1112
1X1XXX12212X1211
1X2X1212X12X1211
121X1X1221221211
2X1X1X12212X1211
2X2XX212X1221211
222XX212X12X1211
222XX212X1221211
