C132233133112121111331333133313331333132322331333133313233213331313231   >>    C13223313311212111133133313331333133313232233133313331323321333131323   <<    C132233133112121111331333133313331333132322331333133313233213331313233   >>      C132233133112121111331333133313331333132322331333133313233213331313232   >>