C132233133112121111331333133313331333132322331333133313233213112312111   >>    C13223313311212111133133313331333133313232233133313331323321311231211   <<    C132233133112121111331333133313331333132322331333133313233213112312113   >>      C132233133112121111331333133313331333132322331333133313233213112312112   >>