C111123313121111121111331333133313331323232133313331333131211331322311111   >>    C11112331312111112111133133313331333132323213331333133313121133132231111   <<    C111123313121111121111331333133313331323232133313331333131211331322311113   >>      C111123313121111121111331333133313331323232133313331333131211331322311112   >>