For example, these tiles comprise the suit of 4s:
🁿 🂀 🂁 🂂 🂃 🂄 🂅

2016, Miguel Lugo, Competitive Dominoes: How to Play Like a Champion - Second Edition (in English), Dog Ear Publishing, →ISBN, page 4:


Each tile has a certain numerical value. The 🀶, for example, is worth 5 points, while 🁠 is worth 6 + 5 = 11 points.

2016, Miguel Lugo, Competitive Dominoes: How to Play Like a Champion - Second Edition (in English), Dog Ear Publishing, →ISBN, page 5:


For example, these tiles comprise the suit of 4s:
🁿 🂀 🂁 🂂 🂃 🂄 🂅
Notice that one of these tiles, the 🁑, has a 4 in each side: this is called a “double” tile.


In case of a tie, the domino with the highest single number decides the lead player; for example, a 🁖 beats the 🁐.