C132233133112121111331333133313331333132322331333133313233213131221   >>    C13223313311212111133133313331333133313232233133313331323321313122   <<    C132233133112121111331333133313331333132322331333133313233213131223   >>      C132233133112121111331333133313331333132322331333133313233213131222   >>