2XX12211X2X1X222
XX11XXX1X2X1X222
2XX12211X22X1X22
XX11XXX1X22X1X22
2XX12211X2122122
XX11XXX1X2122122
22X1221X1XX1X222
X211XXXX1XX1X222
22X1221X1X2X1X22
X211XXXX1X2X1X22
22X1221X1X122122
X211XXXX1X122122
21X1221221X1X222
X111XXX221X1X222
21X12212212X1X22
X111XXX2212X1X22
21X1221221122122
X111XXX221122122
