Pips : November 3, 2026

1. R1: greater 8 · r3c4, r2c4, r2c3
2. R2: equals · r1c1, r2c1, r3c1
3. R3: equals · r1c2, r1c3
4. R4: empty · r1c4
5. R5: empty · r2c2

sum = target total; equals = same value; unequal = all different values; less = total below target; greater = total above target; empty = no constraint. D labels identify dominoes; R labels identify regions.

Rows and columns below start at 1, from the top left.

1. 1–2: row 1, column 1 → row 1, column 2
2. 2–0: row 1, column 3 → row 1, column 4
3. 1–1: row 2, column 1 → row 3, column 1
4. 3–3: row 2, column 4 → row 3, column 4
5. 0–3: row 2, column 2 → row 2, column 3

1. R1: greater 8 · r1c1, r2c1
2. R2: greater 4 · r1c2
3. R3: sum 4 · r1c3
4. R4: unequal · r2c2, r2c3, r2c4
5. R5: sum 3 · r3c1
6. R6: sum 8 · r3c2, r3c3, r4c3
7. R7: sum 0 · r3c4
8. R8: equals · r4c4, r4c5

sum = target total; equals = same value; unequal = all different values; less = total below target; greater = total above target; empty = no constraint. D labels identify dominoes; R labels identify regions.

Rows and columns below start at 1, from the top left.

1. 6–3: row 1, column 1 → row 2, column 1
2. 4–1: row 1, column 3 → row 2, column 3
3. 3–2: row 3, column 1 → row 3, column 2
4. 4–4: row 4, column 4 → row 4, column 5
5. 3–0: row 2, column 4 → row 3, column 4
6. 4–2: row 4, column 3 → row 3, column 3
7. 5–5: row 1, column 2 → row 2, column 2

1. R1: unequal · r1c1, r2c1
2. R2: less 2 · r1c2
3. R3: greater 9 · r1c3, r1c4
4. R4: less 2 · r1c5
5. R5: sum 0 · r2c2
6. R6: sum 0 · r2c3
7. R7: empty · r2c5
8. R8: equals · r2c6, r3c6
9. R9: sum 0 · r3c1
10. R10: sum 6 · r3c2
11. R11: empty · r3c5
12. R12: sum 2 · r4c1
13. R13: sum 2 · r4c2
14. R14: equals · r4c5, r4c6, r5c6, r6c6
15. R15: sum 2 · r5c1, r6c1
16. R16: sum 3 · r5c2
17. R17: less 3 · r5c4, r5c5
18. R18: less 5 · r6c2
19. R19: empty · r6c3
20. R20: empty · r6c4

sum = target total; equals = same value; unequal = all different values; less = total below target; greater = total above target; empty = no constraint. D labels identify dominoes; R labels identify regions.

Rows and columns below start at 1, from the top left.

1. 5–5: row 6, column 3 → row 6, column 4
2. 3–3: row 5, column 6 → row 6, column 6
3. 3–2: row 5, column 2 → row 4, column 2
4. 0–6: row 3, column 1 → row 3, column 2
5. 2–0: row 4, column 1 → row 5, column 1
6. 0–1: row 2, column 2 → row 1, column 2
7. 0–5: row 2, column 3 → row 1, column 3
8. 1–5: row 1, column 5 → row 1, column 4
9. 2–5: row 1, column 1 → row 2, column 1
10. 3–6: row 4, column 5 → row 3, column 5
11. 0–4: row 2, column 5 → row 2, column 6
12. 1–1: row 5, column 4 → row 5, column 5
13. 2–4: row 6, column 1 → row 6, column 2
14. 3–4: row 4, column 6 → row 3, column 6