7 8 9

Clicking to change a section affects the ones around it like this:
(X) is the one clicked - n means no change in the piece.

n 2 n 1 n n n n 3 1(2)3 n n n
4(5)6 (4)n n n n(6) n n n n n n
n 8 n 7 n n n n 9 n n n 7(8)9

(1)2 n n n n n 2(3) n n n
4 5 n 4 5 n n 5 6 n 5 6
n n n (7)8 n n n n n 8(9)

Notice that clicking 2,4,6 or 8 has no effect on 5.


SOLUTION:
PAGE: AD

╥ ## ╟ __/ ### \__ ╥ ## Ё __/ ### \__ Ё ## Ё __/ ### \__
_ Ё## ╥__/ ##### Ё \__ ## ╟__/ ##### Ё \__ ## __/╥ ##### ╟╥
╥\ ## / ╥ Ё ####### ╥ \ ## / ╥ ####### ╟ ╥ \ ## / ####### Ё
##+-+######## ### ########+-+######## ### ########+-+######## ### ####
##+++##### Ё ##### #####+++##### ##### Ё #####+++#####Ё ##### Ё #
_/Ё| \_ ╥ ╥####### _/ | \_ Ё ╥ ####### ╥ _/ |╥\_ ####### ╥
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+--+--+--+--+---+ +-+-+ +----+ + + +---+ +----+ +---+ +---+ +---+-+--+--+--+
+--+--+--+--| | | | | | | | | +-+ | | | | | |-+--+--+--+
+--+--+--+--+---++ | | | +---+ +---+ ++ +---+ +-+-+ | |-+--+--+--+
... Далее >>