C1111133313331323223313331333133313113313112113121111331333132212323231   >>    C111113331333132322331333133313331311331311211312111133133313221232323   <<    C1111133313331323223313331333133313113313112113121111331333132212323233   >>      C1111133313331323223313331333133313113313112113121111331333132212323232   >>