CONCENTRATION GRID – BENCHMARK GRIDTIMES
?#ConcentrationGrid?
3×3 grid < 5 sec
4×4 grid < 10 sec
5×5 grid < 15 sec?
6×6 grid < 30 sec?
?7×7 grid < 1 min?
?8×8 grid < 2 min?
?9×9 grid < 3 min?
?10×10 grid < 4 min?
?www.concentrationgrid.com?
#challengeyourself
