C313212111133131211331333133313331333133311233133313232231112331   >>    C31321211113313121133133313331333133313331123313331323223111233   <<    C313212111133131211331333133313331333133311233133313232231112333   >>      C313212111133131211331333133313331333133311233133313232231112332   >>