C132233133112121111331333133313331333132331213331333133322222331   >>    C13223313311212111133133313331333133313233121333133313332222233   <<    C132233133112121111331333133313331333132331213331333133322222333   >>      C132233133112121111331333133313331333132331213331333133322222332   >>