211X111112212112
21X21X1112212112
21XX11XX12212112
21121XXX12212112
211211X112212X12
21XX1XX112212X12
21X2111X12212X12
211X1X1X12212X12
21XX111112212112
2112111112212112
21X2111112212112
211X1X1112212112
21XX1X1112212112
21121X1112212112
211X11XX12212112
21X21XXX12212112
21X211X112212112
211X1XX112212112
2112111X12212112
21XX1X1X12212112
211X111112212X12
21X21X1112212X12
21XX11XX12212X12
21121XXX12212X12
21XX111112212X12
21121X1112212X12
211X11XX12212X12
21X21XXX12212X12
211211X112212112
21XX1XX112212112
21X2111X12212112
211X1X1X12212112
