C31232233133313221211113313331333133313331212111133131133131132112323131   >>    C3123223313331322121111331333133313331333121211113313113313113211232313   <<    C31232233133313221211113313331333133313331212111133131133131132112323133   >>      C31232233133313221211113313331333133313331212111133131133131132112323132   >>