C31232233133313221211113313331333133313331212111133131133131131211121   >>    C3123223313331322121111331333133313331333121211113313113313113121112   <<    C31232233133313221211113313331333133313331212111133131133131131211123   >>      C31232233133313221211113313331333133313331212111133131133131131211122   >>