C2221232323213331311331333133313231333132313331313311313323133322331311   >>    C222123232321333131133133313331323133313231333131331131332313332233131   <<    C2221232323213331311331333133313231333132313331313311313323133322331313   >>      C2221232323213331311331333133313231333132313331313311313323133322331312   >>