C132233133112121111331333133313331333132331213331323221323131221   >>    C13223313311212111133133313331333133313233121333132322132313122   <<    C132233133112121111331333133313331333132331213331323221323131223   >>      C132233133112121111331333133313331333132331213331323221323131222   >>