Easy board
Structure hint
Easy · 5 dominoes · 10 cells. Start by checking the smallest constrained regions: R1: Sum = 10; R2: Sum = 6; R3: All equal; R4: All equal.
Domino set
Available dominoes: 2-1, 6-1, 4-4, 5-6, 6-6.
Full solution
Easy board
Solution by domino: 2-1 at (2,0)-(2,1); 6-1 at (1,2)-(2,2); 4-4 at (0,0)-(1,0); 5-6 at (2,3)-(1,3); 6-6 at (0,1)-(1,1).
