n: 40 m: 146 packed: 13 density: 0 nodes: 0 solveTime: 1250 buildTime: 10 solved: true
{0,15,35}
{1,5,19}
{2,11,13}
{3,25,29}
{4,12,34}
{6,16,36}
{7,26,39}
{8,17,23}
{9,37,38}
{10,14,28}
{18,30,32}
{20,24,33}
{21,22,27}