C22212323232133313113313331333132313231333132322123323323311111   >>    C2221232323213331311331333133313231323133313232212332332331111   <<    C22212323232133313113313331333132313231333132322123323323311113   >>      C22212323232133313113313331333132313231333132322123323323311112   >>