January 24, 2012

Problem of the Week

for Tuesday, January 24, 2012

Divide the grid along the grid lines into exactly 10 symmetric pieces so that each piece would remain unchanged if rotated 180 degrees. The symmetry must include the dots that are contained inside the piece as well.

The example is split into five symmetric pieces.

Now found the 10 symmetric pieces in the grid below.

Winners of the ten symmetric pieces challenge