C31232233133313221211113313331333133313331212111133131232322231   >>    C3123223313331322121111331333133313331333121211113313123232223   <<    C31232233133313221211113313331333133313331212111133131232322233   >>      C31232233133313221211113313331333133313331212111133131232322232   >>