Выкладываю своё решение для C4N18 составлено вот из таких 3х3 узоров:
Код:
100 010 001
001 100 010
010 001 100
(Оффтоп)
1,1,4,3,2,3,4,3,2,2,2,1,4,1,3,4,3,4,
1,4,1,2,3,3,3,2,4,2,1,2,1,3,4,3,4,4,
4,1,1,3,3,2,2,4,3,1,2,2,3,4,1,4,4,3,
4,1,4,4,2,1,3,3,4,3,1,2,3,2,2,2,1,1,
1,4,4,2,1,4,3,4,3,1,2,3,2,2,3,1,1,2,
4,4,1,1,4,2,4,3,3,2,3,1,2,3,2,1,2,1,
2,3,2,4,4,1,1,2,3,1,2,1,1,4,2,3,3,4,
3,2,2,4,1,4,2,3,1,2,1,1,4,2,1,3,4,3,
2,2,3,1,4,4,3,1,2,1,1,2,2,1,4,4,3,3,
1,3,4,1,4,1,2,2,1,3,4,4,2,3,3,2,4,3,
3,4,1,4,1,1,2,1,2,4,4,3,3,3,2,4,3,2,
4,1,3,1,1,4,1,2,2,4,3,4,3,2,3,3,2,4,
3,3,2,3,4,1,3,4,4,4,3,2,4,1,1,1,2,2,
3,2,3,4,1,3,4,4,3,3,2,4,1,1,4,2,2,1,
2,3,3,1,3,4,4,3,4,2,4,3,1,4,1,2,1,2,
1,4,2,2,3,2,1,1,2,3,3,4,4,4,1,2,3,1,
4,2,1,3,2,2,1,2,1,3,4,3,4,1,4,3,1,2,
2,1,4,2,2,3,2,1,1,4,3,3,1,4,4,1,2,3
А вот моё самое лучшее приближение к C5N27 из таких узоров, тут 54 ошибки:
(Оффтоп)
1,2,5,2,2,3,4,4,5,5,1,5,3,2,5,4,2,1,3,4,3,4,3,2,1,1,3,
2,5,1,2,3,2,4,5,4,1,5,5,2,5,3,2,1,4,4,3,3,3,2,4,1,3,1,
5,1,2,3,2,2,5,4,4,5,5,1,5,3,2,1,4,2,3,3,4,2,4,3,3,1,1,
2,4,4,1,4,1,3,5,5,2,3,2,5,2,1,1,5,4,5,2,1,3,4,3,1,5,3,
4,4,2,4,1,1,5,5,3,3,2,2,2,1,5,5,4,1,2,1,5,4,3,3,5,3,1,
4,2,4,1,1,4,5,3,5,2,2,3,1,5,2,4,1,5,1,5,2,3,3,4,3,1,5,
3,1,4,3,2,5,1,3,4,4,4,5,1,4,2,5,5,3,2,5,2,4,2,1,1,3,3,
1,4,3,2,5,3,3,4,1,4,5,4,4,2,1,5,3,5,5,2,2,2,1,4,3,3,1,
4,3,1,5,3,2,4,1,3,5,4,4,2,1,4,3,5,5,2,2,5,1,4,2,3,1,3,
4,1,1,3,5,1,2,4,1,3,2,3,5,4,5,3,3,4,1,5,3,2,2,5,2,4,4,
1,1,4,5,1,3,4,1,2,2,3,3,4,5,5,3,4,3,5,3,1,2,5,2,4,4,2,
1,4,1,1,3,5,1,2,4,3,3,2,5,5,4,4,3,3,3,1,5,5,2,2,4,2,4,
2,5,5,5,4,3,3,3,2,3,2,1,5,3,4,5,2,2,1,1,4,4,1,4,1,4,5,
5,5,2,4,3,5,3,2,3,2,1,3,3,4,5,2,2,5,1,4,1,1,4,4,4,5,1,
5,2,5,3,5,4,2,3,3,1,3,2,4,5,3,2,5,2,4,1,1,4,4,1,5,1,4,
3,3,1,2,4,4,2,4,3,5,4,3,1,5,2,5,2,1,3,2,1,3,1,5,4,5,2,
3,1,3,4,4,2,4,3,2,4,3,5,5,2,1,2,1,5,2,1,3,1,5,3,5,2,4,
1,3,3,4,2,4,3,2,4,3,5,4,2,1,5,1,5,2,1,3,2,5,3,1,2,4,5,
2,4,3,3,5,5,1,5,1,5,4,1,3,1,2,2,1,3,4,4,1,3,5,2,2,4,5,
4,3,2,5,5,3,5,1,1,4,1,5,1,2,3,1,3,2,4,1,4,5,2,3,4,5,2,
3,2,4,5,3,5,1,1,5,1,5,4,2,3,1,3,2,1,1,4,4,2,3,5,5,2,4,
1,5,4,4,2,1,5,4,3,1,2,1,1,3,4,2,5,3,4,2,3,1,5,5,3,2,2,
5,4,1,2,1,4,4,3,5,2,1,1,3,4,1,5,3,2,2,3,4,5,5,1,2,2,3,
4,1,5,1,4,2,3,5,4,1,1,2,4,1,3,3,2,5,3,4,2,5,1,5,2,3,2,
5,3,2,2,1,4,1,2,2,4,3,5,3,3,4,1,4,4,5,4,5,1,1,5,2,3,5,
3,2,5,1,4,2,2,2,1,3,5,4,3,4,3,4,4,1,4,5,5,1,5,1,3,5,2,
2,5,3,4,2,1,2,1,2,5,4,3,4,3,3,4,1,4,5,5,4,5,1,1,5,2,3
Вот приближение к C5N26 из четырёх диагональных 13х13, тут 52 ошибки:
(Оффтоп)
2,4,3,3,4,2,1,3,1,4,4,5,1,4,3,4,2,5,5,1,1,5,2,5,3,2,
1,2,4,3,3,4,2,1,3,1,4,4,5,2,4,3,4,2,5,5,1,1,5,2,5,3,
5,1,2,4,3,3,4,2,1,3,1,4,4,3,2,4,3,4,2,5,5,1,1,5,2,5,
4,5,1,2,4,3,3,4,2,1,3,1,4,5,3,2,4,3,4,2,5,5,1,1,5,2,
4,4,5,1,2,4,3,3,4,2,1,3,1,2,5,3,2,4,3,4,2,5,5,1,1,5,
1,4,4,5,1,2,4,3,3,4,2,1,3,5,2,5,3,2,4,3,4,2,5,5,1,1,
3,1,4,4,5,1,2,4,3,3,4,2,1,1,5,2,5,3,2,4,3,4,2,5,5,1,
1,3,1,4,4,5,1,2,4,3,3,4,2,1,1,5,2,5,3,2,4,3,4,2,5,5,
2,1,3,1,4,4,5,1,2,4,3,3,4,5,1,1,5,2,5,3,2,4,3,4,2,5,
4,2,1,3,1,4,4,5,1,2,4,3,3,5,5,1,1,5,2,5,3,2,4,3,4,2,
3,4,2,1,3,1,4,4,5,1,2,4,3,2,5,5,1,1,5,2,5,3,2,4,3,4,
3,3,4,2,1,3,1,4,4,5,1,2,4,4,2,5,5,1,1,5,2,5,3,2,4,3,
4,3,3,4,2,1,3,1,4,4,5,1,2,3,4,2,5,5,1,1,5,2,5,3,2,4,
3,1,1,4,5,4,5,5,2,2,3,5,2,4,2,3,3,1,4,1,5,1,2,3,1,4,
2,3,1,1,4,5,4,5,5,2,2,3,5,4,4,2,3,3,1,4,1,5,1,2,3,1,
5,2,3,1,1,4,5,4,5,5,2,2,3,1,4,4,2,3,3,1,4,1,5,1,2,3,
3,5,2,3,1,1,4,5,4,5,5,2,2,3,1,4,4,2,3,3,1,4,1,5,1,2,
2,3,5,2,3,1,1,4,5,4,5,5,2,2,3,1,4,4,2,3,3,1,4,1,5,1,
2,2,3,5,2,3,1,1,4,5,4,5,5,1,2,3,1,4,4,2,3,3,1,4,1,5,
5,2,2,3,5,2,3,1,1,4,5,4,5,5,1,2,3,1,4,4,2,3,3,1,4,1,
5,5,2,2,3,5,2,3,1,1,4,5,4,1,5,1,2,3,1,4,4,2,3,3,1,4,
4,5,5,2,2,3,5,2,3,1,1,4,5,4,1,5,1,2,3,1,4,4,2,3,3,1,
5,4,5,5,2,2,3,5,2,3,1,1,4,1,4,1,5,1,2,3,1,4,4,2,3,3,
4,5,4,5,5,2,2,3,5,2,3,1,1,3,1,4,1,5,1,2,3,1,4,4,2,3,
1,4,5,4,5,5,2,2,3,5,2,3,1,3,3,1,4,1,5,1,2,3,1,4,4,2,
1,1,4,5,4,5,5,2,2,3,5,2,3,2,3,3,1,4,1,5,1,2,3,1,4,4
А это тоже из четырёх диагональных 13х13, но диагонали в разные стороны, тут 52 ошибки:
(Оффтоп)
2,4,5,3,5,3,3,1,4,4,3,5,4,5,2,1,2,2,5,1,1,2,1,3,3,4,
4,5,3,5,3,3,1,4,4,3,5,4,2,4,5,2,1,2,2,5,1,1,2,1,3,3,
5,3,5,3,3,1,4,4,3,5,4,2,4,3,4,5,2,1,2,2,5,1,1,2,1,3,
3,5,3,3,1,4,4,3,5,4,2,4,5,3,3,4,5,2,1,2,2,5,1,1,2,1,
5,3,3,1,4,4,3,5,4,2,4,5,3,1,3,3,4,5,2,1,2,2,5,1,1,2,
3,3,1,4,4,3,5,4,2,4,5,3,5,2,1,3,3,4,5,2,1,2,2,5,1,1,
3,1,4,4,3,5,4,2,4,5,3,5,3,1,2,1,3,3,4,5,2,1,2,2,5,1,
1,4,4,3,5,4,2,4,5,3,5,3,3,1,1,2,1,3,3,4,5,2,1,2,2,5,
4,4,3,5,4,2,4,5,3,5,3,3,1,5,1,1,2,1,3,3,4,5,2,1,2,2,
4,3,5,4,2,4,5,3,5,3,3,1,4,2,5,1,1,2,1,3,3,4,5,2,1,2,
3,5,4,2,4,5,3,5,3,3,1,4,4,2,2,5,1,1,2,1,3,3,4,5,2,1,
5,4,2,4,5,3,5,3,3,1,4,4,3,1,2,2,5,1,1,2,1,3,3,4,5,2,
4,2,4,5,3,5,3,3,1,4,4,3,5,2,1,2,2,5,1,1,2,1,3,3,4,5,
1,1,2,2,5,2,3,3,1,4,1,2,5,4,4,5,3,2,3,5,2,4,5,4,1,3,
5,1,1,2,2,5,2,3,3,1,4,1,2,4,5,3,2,3,5,2,4,5,4,1,3,4,
2,5,1,1,2,2,5,2,3,3,1,4,1,5,3,2,3,5,2,4,5,4,1,3,4,4,
1,2,5,1,1,2,2,5,2,3,3,1,4,3,2,3,5,2,4,5,4,1,3,4,4,5,
4,1,2,5,1,1,2,2,5,2,3,3,1,2,3,5,2,4,5,4,1,3,4,4,5,3,
1,4,1,2,5,1,1,2,2,5,2,3,3,3,5,2,4,5,4,1,3,4,4,5,3,2,
3,1,4,1,2,5,1,1,2,2,5,2,3,5,2,4,5,4,1,3,4,4,5,3,2,3,
3,3,1,4,1,2,5,1,1,2,2,5,2,2,4,5,4,1,3,4,4,5,3,2,3,5,
2,3,3,1,4,1,2,5,1,1,2,2,5,4,5,4,1,3,4,4,5,3,2,3,5,2,
5,2,3,3,1,4,1,2,5,1,1,2,2,5,4,1,3,4,4,5,3,2,3,5,2,4,
2,5,2,3,3,1,4,1,2,5,1,1,2,4,1,3,4,4,5,3,2,3,5,2,4,5,
2,2,5,2,3,3,1,4,1,2,5,1,1,1,3,4,4,5,3,2,3,5,2,4,5,4,
1,2,2,5,2,3,3,1,4,1,2,5,1,3,4,4,5,3,2,3,5,2,4,5,4,1
-- 29.08.2012, 10:48 --I can confirm that no CDS for C=10 and 91<N<107 exists. For N=107 there are 106 "basically" different CDS, but then you need 11 colors anyhow.
Thanks for the info Herbert.