C2221232323213331311331333133313231333132313221323131211221111111   >>    C222123232321333131133133313331323133313231322132313121122111111   <<    C2221232323213331311331333133313231333132313221323131211221111113   >>      C2221232323213331311331333133313231333132313221323131211221111112   >>