C313212111133131211331333133313331333133311233133313233313232233133313232111311   >>    C31321211113313121133133313331333133313331123313331323331323223313331323211131   <<    C313212111133131211331333133313331333133311233133313233313232233133313232111313   >>      C313212111133131211331333133313331333133311233133313233313232233133313232111312   >>