C132233133112121111331333133313331333132332121211113313232233112131   >>    C13223313311212111133133313331333133313233212121111331323223311213   <<    C132233133112121111331333133313331333132332121211113313232233112133   >>      C132233133112121111331333133313331333132332121211113313232233112132   >>