Practice📖 Learn the rule first ▸
Lines
Modular Lines
Every three cells in a row cover all three remainders mod 3.
Tips
- ◆The three families are 3-6-9, 1-4-7, and 2-5-8.
- ◆Any three consecutive cells use all three families, one from each.
- ◆Same period-three rhythm as an entropic line, on a different grouping.
Drills