Concentration Grid – 7×7 grid in 49.61 sec

Concentration Grid – 7×7 grid in 49.61 sec

#ConcentrationGrid

GRID_ID179-C7R7-GR49T49.612

48N0.233-42X4.267-N-DT20170104-060525

www.concentrationgrid.com

www.facebook.com/concentrationgrid