C313212111133131211331333133313331333133311233133313232222333131111   >>    C31321211113313121133133313331333133313331123313331323222233313111   <<    C313212111133131211331333133313331333133311233133313232222333131113   >>      C313212111133131211331333133313331333133311233133313232222333131112   >>