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BryanYeh
Posts: 38
Posted 17:49 Oct 25, 2014 |

From what I saw, some states has more than 4 adjacent states, or am I wrong? If I am right, isn't 5 colors not enough?

msargent
Posts: 519
Posted 18:06 Oct 25, 2014 |

All 5 don't have to be different colors, for they are not all adjacent to each other. 

BryanYeh
Posts: 38
Posted 18:28 Oct 25, 2014 |

Okay, got it.

Last edited by BryanYeh at 21:38 Oct 25, 2014.