C132233133112121111331333133313331333132322331333131232213233121   >>    C13223313311212111133133313331333133313232233133313123221323312   <<    C132233133112121111331333133313331333132322331333131232213233123   >>      C132233133112121111331333133313331333132322331333131232213233122   >>