C313212111133131211331333133313331333133311233133313232231233131   >>    C31321211113313121133133313331333133313331123313331323223123313   <<    C313212111133131211331333133313331333133311233133313232231233133   >>      C313212111133131211331333133313331333133311233133313232231233132   >>