C1111121111331311211331333133313113313331322231333133313221331221   >>    C111112111133131121133133313331311331333132223133313331322133122   <<    C1111121111331311211331333133313113313331322231333133313221331223   >>      C1111121111331311211331333133313113313331322231333133313221331222   >>