Pips : October 31, 2026

1. R1: sum 12 · r2c2, r2c1
2. R2: equals · r1c2, r1c3, r2c3
3. R3: sum 2 · r1c1
4. R4: less 3 · r2c4
5. R5: greater 5 · r1c5, r1c4
6. R6: greater 5 · r2c5

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

1. R1: unequal · r1c2, r2c1, r2c2
2. R2: greater 3 · r1c3, r2c3
3. R3: equals · r2c4, r2c5, r3c4
4. R4: greater 4 · r2c6
5. R5: sum 5 · r3c1, r3c2
6. R6: sum 6 · r3c3
7. R7: greater 5 · r3c5, r3c6

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

1. R1: sum 3 · r1c3, r2c3
2. R2: sum 5 · r2c1, r2c2
3. R3: empty · r3c2
4. R4: sum 0 · r3c3, r4c3
5. R5: unequal · r3c8, r4c8
6. R6: sum 3 · r4c2
7. R7: sum 3 · r4c4
8. R8: equals · r4c5, r4c6, r5c5, r6c5
9. R9: greater 8 · r4c7, r5c7
10. R10: greater 4 · r5c3
11. R11: sum 7 · r5c4, r6c4
12. R12: sum 1 · r5c6
13. R13: empty · r5c8
14. R14: equals · r6c6, r6c7
15. R15: sum 3 · r7c5, r7c6, r8c5
16. R16: empty · r8c4

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