C1111133313331323223313331333133313331323223331211113313221333132212231   >>    C111113331333132322331333133313331333132322333121111331322133313221223   <<    C1111133313331323223313331333133313331323223331211113313221333132212233   >>      C1111133313331323223313331333133313331323223331211113313221333132212232   >>