Pips : October 22, 2026

1. R1: sum 6 · r1c2, r2c2
2. R2: greater 4 · r2c3
3. R3: equals · r3c1, r3c2
4. R4: sum 6 · r3c3, r3c4
5. R5: empty · r4c2
6. R6: sum 6 · r4c3, r4c4

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

1. R1: sum 6 · r1c2, r1c3
2. R2: less 6 · r2c1, r2c2
3. R3: equals · r3c1, r3c2
4. R4: sum 7 · r3c3, r3c4
5. R5: unequal · r4c2, r4c3, r5c3
6. R6: sum 0 · r4c4
7. R7: sum 1 · r5c4
8. R8: 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. 4–3: row 4, column 2 → row 4, column 3
2. 4–1: row 2, column 1 → row 2, column 2
3. 6–6: row 3, column 1 → row 3, column 2
4. 0–2: row 4, column 4 → row 3, column 4
5. 2–4: row 1, column 3 → row 1, column 2
6. 5–3: row 3, column 3 → row 2, column 3
7. 5–1: row 5, column 3 → row 5, column 4

1. R1: unequal · r1c1, r1c2, r1c3
2. R2: sum 2 · r1c5
3. R3: sum 6 · r1c6, r1c7
4. R4: less 2 · r1c8, r1c9
5. R5: sum 9 · r2c1, r3c1
6. R6: sum 2 · r2c3
7. R7: sum 0 · r2c7
8. R8: sum 2 · r3c2
9. R9: empty · r3c3
10. R10: sum 6 · r3c7
11. R11: equals · r4c1, r5c1
12. R12: sum 2 · r4c3
13. R13: unequal · r4c7, r5c7, r6c7
14. R14: sum 2 · r5c3

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