C313212111133131211331333133313331333133311233133313232133313111   >>    C31321211113313121133133313331333133313331123313331323213331311   <<    C313212111133131211331333133313331333133311233133313232133313113   >>      C313212111133131211331333133313331333133311233133313232133313112   >>