C111123313121111121111331333133313331333133313331333133313331323321132211   >>    C11112331312111112111133133313331333133313331333133313331333132332113221   <<    C111123313121111121111331333133313331333133313331333133313331323321132213   >>      C111123313121111121111331333133313331333133313331333133313331323321132212   >>