C111123313121111121111331333133313331323232133313331333133313121111331323312331   >>    C11112331312111112111133133313331333132323213331333133313331312111133132331233   <<    C111123313121111121111331333133313331323232133313331333133313121111331323312333   >>      C111123313121111121111331333133313331323232133313331333133313121111331323312332   >>