Easy board
Structure hint
Easy · 5 dominoes · 10 cells. Start by checking the smallest constrained regions: R1: Sum = 8; R2: No rule; R3: Sum = 3; R4: Sum = 5.
Domino set
Available dominoes: 3-3, 0-0, 0-6, 4-4, 2-2.
Full solution
Easy board
Solution by domino: 3-3 at (3,2)-(3,3); 0-0 at (2,1)-(2,2); 0-6 at (0,1)-(0,2); 4-4 at (1,0)-(1,1); 2-2 at (2,3)-(2,4).
