Strategies for Number Puzzles of all kinds
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Saturday 14-Oct-2017

... by: JC Van Hay

Pointings{4HJ5, 8C46}, NP(58)DE8

3 Column 7 :
||3C7 -> 0 solution via HP(89)C46
||3E7 -> 1 solution
||3F7 -> 0 solution via NT(279)G467 -> Purple Cow[2A3=2J3-2J7=(2-7)H7=7A7]-7A3

Saturday 14-Oct-2017

... by: Vinny & Manny

Well, we got our Excel De-Solver on the case: enter to cells D3, E2, E3, F1, & F2, respectively: 5 8 4 7 3. After that it should work itself out smoothly without any dead-ends.

Saturday 14-Oct-2017

... by: ray

1. Use basic strategies and forcing bi-value/bi-location cell set method.Start
with E7{13} - bi-value/bi-location cell for1.Force the run out values for E7 until E7 = 3 which gives the solution.Other bi-location cell set solution found were:D9 = 1, D5 = 2, E5 = 1, J7 = 1. Using this solution,with only basic strategies, the non bi-location cell solution found was: F2 = 3.


Each week a new 'unsolvable' will be published and the previous will be accessible here from this archive section. If you like very tough puzzles, these are for you.
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Page created on 03-May-2011, last modified on 03-May-2011.
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