Difference between revisions of "KGS math club/solution 11 12"
(Created page with "It is impossible. For any two colours, say red and green, r-g modulo 3 cannot change. The initial position (modulo 3) is 1,0,2 and the target is 0,0,x (in any order), which is u...") |
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Latest revision as of 08:02, 21 November 2011
It is impossible.
For any two colours, say red and green, r-g modulo 3 cannot change. The initial position (modulo 3) is 1,0,2 and the target is 0,0,x (in any order), which is unattainable.
