C313212111133131211331333133313331333133311233133313233313232233133322223331   >>    C31321211113313121133133313331333133313331123313331323331323223313332222333   <<    C313212111133131211331333133313331333133311233133313233313232233133322223333   >>      C313212111133131211331333133313331333133311233133313233313232233133322223332   >>