C1111133313331323223313331333133313113313112113121111331333131232133121   >>    C111113331333132322331333133313331311331311211312111133133313123213312   <<    C1111133313331323223313331333133313113313112113121111331333131232133123   >>      C1111133313331323223313331333133313113313112113121111331333131232133122   >>