C313212111133131211331333133313331333133311233133313232223332311   >>    C31321211113313121133133313331333133313331123313331323222333231   <<    C313212111133131211331333133313331333133311233133313232223332313   >>      C313212111133131211331333133313331333133311233133313232223332312   >>