C313212111133131211331333133313331333133313231333133313331333133313132111221   >>    C31321211113313121133133313331333133313331323133313331333133313331313211122   <<    C313212111133131211331333133313331333133313231333133313331333133313132111223   >>      C313212111133131211331333133313331333133313231333133313331333133313132111222   >>