C1111133313331323223313331333133313331323133313331333232232111112231   >>    C111113331333132322331333133313331333132313331333133323223211111223   <<    C1111133313331323223313331333133313331323133313331333232232111112233   >>      C1111133313331323223313331333133313331323133313331333232232111112232   >>