C132233133112121111331333133313331333132322331333131121113233121   >>    C13223313311212111133133313331333133313232233133313112111323312   <<    C132233133112121111331333133313331333132322331333131121113233123   >>      C132233133112121111331333133313331333132322331333131121113233122   >>