21122111X1221121
1X121211X1221121
2X121211X1221121
1X1211X1X1221121
2X1211X1X1221121
111222X1X1221121
2112111XX1221121
1X12211XX1221121
111212XXX1221121
1X22111111221121
1X221111XX221121
1X1211111X221121
1X221111X122X121
1X1211111122X121
1X121111XX22X121
