problems F — fill 4-tile gap
F-1: | 6 ~ w ~ x ~ y ~ z ~ | 7 (mod = | 8) |
F-2: | 6 ~ w ~ x ~ y ~ z ~ | 2 (mod = | 8) |
F-3: | 4 ~ w ~ x ~ y ~ z ~ | 1 (mod = | 7) |
F-4: | 5 ~ w ~ x ~ y ~ z ~ | 2 (mod = | 9) |
F-5: | 5 ~ w ~ x ~ y ~ z ~ | 2 (mod = | 10) |
F-6: | 6 ~ w ~ x ~ y ~ z ~ | 2 (mod = | 10) |
F-7: | 6 ~ w ~ x ~ y ~ z ~ | 1 (mod = | 10) |
F-8: | 5 ~ w ~ x ~ y ~ z ~ | 5 (mod = | 6) |
F-9: | 7 ~ w ~ x ~ y ~ z ~ | 7 (mod = | 12) |