C313212111133131211331333133313331333133311233133313311211211322331   >>    C31321211113313121133133313331333133313331123313331331121121132233   <<    C313212111133131211331333133313331333133311233133313311211211322333   >>      C313212111133131211331333133313331333133311233133313311211211322332   >>