C132233133112121111331333133313331312121111133313331312111133221221   >>    C13223313311212111133133313331333131212111113331333131211113322122   <<    C132233133112121111331333133313331312121111133313331312111133221223   >>      C132233133112121111331333133313331312121111133313331312111133221222   >>