C313212111133131211331333133313331333133311233133313221333232331   >>    C31321211113313121133133313331333133313331123313331322133323233   <<    C313212111133131211331333133313331333133311233133313221333232333   >>      C313212111133131211331333133313331333133311233133313221333232332   >>