C313212111133131211331333133313331333133311233133313221333221311   >>    C31321211113313121133133313331333133313331123313331322133322131   <<    C313212111133131211331333133313331333133311233133313221333221313   >>      C313212111133131211331333133313331333133311233133313221333221312   >>