C111123313121111121111331333133313331333133313331333133313331311332213131   >>    C11112331312111112111133133313331333133313331333133313331333131133221313   <<    C111123313121111121111331333133313331333133313331333133313331311332213133   >>      C111123313121111121111331333133313331333133313331333133313331311332213132   >>