C313212111133131211331333133313331333133311233133313232212131133131   >>    C31321211113313121133133313331333133313331123313331323221213113313   <<    C313212111133131211331333133313331333133311233133313232212131133133   >>      C313212111133131211331333133313331333133311233133313232212131133132   >>