06 July 2016

400. Add 4 to create 18 squares

Easy Medium Hard Extreme


Add 4 matchsticks to the layout above to create 18 squares. With the exception of 2 matchsticks, all other matchsticks must be flat on the surface. All squares in your solution do not have to be equal in size.

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The 18 squares are:

Size 2X2:
ACJG

Size 1X1:
ABED, BCFE, DEHG, EFJH

Size ⅔X⅔:
ELVN, KFPU, MTRH, SOJQ

Size ⅓X⅓:
EKSM, KLTS, LFOT, MSUN, STVU, TOPV, NUQH, UVRQ, VPJR

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