C1111133313331323223313331333133313331333131211113313331211211121   >>    C111113331333132322331333133313331333133313121111331333121121112   <<    C1111133313331323223313331333133313331333131211113313331211211123   >>      C1111133313331323223313331333133313331333131211113313331211211122   >>