C111123313121111121111331333133313331323232133313331323223313222221   >>    C11112331312111112111133133313331333132323213331333132322331322222   <<    C111123313121111121111331333133313331323232133313331323223313222223   >>      C111123313121111121111331333133313331323232133313331323223313222222   >>