Less than: Every domino half in this space must add up to less than the number.
Digit alignment — pairing corresponding digits from two numbers
，这一点在Line官方版本下载中也有详细论述
{ 60, 28, 52, 20, 62, 30, 54, 22 },。业内人士推荐旺商聊官方下载作为进阶阅读
Parameter cliff at ~800: Sharp accuracy transition observed by multiple researchers