Pips : November 4, 2026

1. R1: equals · r3c3, r3c2, r2c2
2. R2: equals · r2c1, r3c1
3. R3: sum 6 · r1c2, r1c3
4. R4: sum 6 · r2c4
5. R5: greater 2 · r1c4
6. R6: empty · r2c3

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

1. R1: unequal · r1c2, r2c2
2. R2: sum 6 · r1c3
3. R3: sum 1 · r2c3
4. R4: greater 4 · r2c4
5. R5: less 9 · r3c1, r3c2
6. R6: greater 10 · r3c3, r3c4, r4c4, r4c5
7. R7: greater 12 · r4c2, r4c3, r5c2

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

1. R1: sum 4 · r1c1
2. R2: sum 3 · r1c2
3. R3: sum 3 · r1c3
4. R4: sum 2 · r1c4
5. R5: sum 5 · r1c5
6. R6: sum 5 · r2c1
7. R7: sum 0 · r2c2
8. R8: sum 0 · r2c3
9. R9: sum 1 · r2c4
10. R10: sum 1 · r2c5
11. R11: sum 2 · r3c1
12. R12: sum 0 · r3c2
13. R13: sum 1 · r3c3
14. R14: sum 2 · r3c4
15. R15: sum 3 · r3c5
16. R16: sum 3 · r3c6
17. R17: sum 2 · r4c1
18. R18: sum 3 · r4c2
19. R19: sum 5 · r4c3
20. R20: sum 3 · r4c4
21. R21: sum 2 · r4c5
22. R22: equals · r4c6, r5c6
23. R23: sum 0 · r5c2
24. R24: empty · r5c3
25. R25: sum 6 · r5c4
26. R26: equals · r5c5, r6c5, r6c6
27. R27: sum 4 · r6c2
28. R28: equals · r6c3, 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. 0–1: row 5, column 3 → row 6, column 3
2. 0–2: row 3, column 2 → row 3, column 1
3. 0–3: row 2, column 3 → row 1, column 3
4. 0–4: row 5, column 2 → row 6, column 2
5. 0–5: row 2, column 2 → row 2, column 1
6. 1–2: row 2, column 4 → row 3, column 4
7. 1–3: row 2, column 5 → row 3, column 5
8. 1–4: row 6, column 4 → row 6, column 5
9. 1–5: row 3, column 3 → row 4, column 3
10. 2–3: row 4, column 1 → row 4, column 2
11. 2–4: row 4, column 5 → row 5, column 5
12. 2–5: row 1, column 4 → row 1, column 5
13. 3–4: row 1, column 2 → row 1, column 1
14. 3–5: row 3, column 6 → row 4, column 6
15. 4–5: row 6, column 6 → row 5, column 6
16. 3–6: row 4, column 4 → row 5, column 4