9 | 7 | 8 | ||||||
8 | 9 | 7 | 1 | 6 | ||||
4 | 7 | 8 | 9 | 5 | ||||
9 | 8 | 7 | 1 | |||||
1 | 7 | 9 | 4 | 8 | 6 | |||
8 | 6 | 1 | 5 | 9 | 7 | |||
8 | 5 | 4 | 7 | 9 | ||||
7 | 2 | 9 | 3 | 4 | 6 | 8 | 5 | 1 |
1 | 4 | 5 | 7 | 8 | 9 | 6 |
This is as far as you can solve the puzzle. The underdetermined numbers, per-box, sum to
17 = Q, 21 = U, 9 = I, 20 = T, 5 = E, 14 = N, 9 = I, 3 = C, 5 = Efor QUITE NICE