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Tiling 3x110 grid (Posted on 2018-08-21) Difficulty: 3 of 5
You are given 165 rectangular tokens, they are all indistinguishable sizewise, but only 2 of them are red. The tokens are 2x1 and you are asked to tile a 3x110 grid keeping the red tokens parallel each to the other.
In how many ways can such task be done?

a. No other restrictions.
b. The red tokens cannot be parallel to any of the non-red tokens.

No Solution Yet Submitted by Ady TZIDON    
Rating: 4.3333 (3 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: No other restrictions.tonny ken2019-06-07 04:55:10
No Subjectalenvable2019-05-05 22:54:45
No Subjectalenvable2019-05-05 22:54:26
No Subjectalenvable2019-05-05 22:54:25
No Subjectalenvable2019-05-05 22:53:28
Concrete LadyEvanston2019-03-26 13:00:03
HmmJonathon Coleman2019-02-07 11:52:59
No other restrictions.verma ruby2018-08-22 03:53:40
attempted solutionSteven Lord2018-08-22 03:44:11
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