C313212111133131211331333133313331333133311233133313232223213132331   >>    C31321211113313121133133313331333133313331123313331323222321313233   <<    C313212111133131211331333133313331333133311233133313232223213132333   >>      C313212111133131211331333133313331333133311233133313232223213132332   >>