Instructions

So, how do you get them to 1?

If you look at the example at the top of this page you see that you must touch the number to be moved: do not drag! It always moves to the gap, if possible. The numbers it jumps over are subtracted resulting in a 1 or more.

A 6 that jumps over a 2 and a 3 becomes a 1: 6-2-3 = 1 or if you prefer: 6-(2+3) = 1 . So, a 1 can’t go anywhere and a 2 only can jump over a single 1 etc. Maybe it sounds complicated, but if you’ll try it you’ll see it’s a lot easier to understand than Sudoku.

Notice that it’s not forbidden to jump back and forth: a 5 may jump 4 times over the same 1 ending at the same site while a 4 may jump 3 times over a 1 ending a the opposite site!

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