What is the answer to Level 121 on Brain Test?
To solve Level 121, just move '1' from 21 to make it '20' and the remaining '1' should go to the other side to make '19'.
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Switch the positions of the numbers to find the solution for Level 121. Easy peasy!
I tried for ages but in the end, you reposition the '1'. Simple as that.
You need to create '20 1', then just move the '1' over to the left to form '21 0'. It's all about repositioning!
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