n: 40 m: 201 packed: 13 density: 0 nodes: 0 solveTime: 1080 buildTime: 20 solved: true
{0,7,16}
{1,12,36}
{2,6,23}
{3,9,17}
{4,5,18}
{8,20,38}
{10,13,25}
{11,26,30}
{14,28,32}
{15,19,37}
{21,27,39}
{22,31,33}
{24,29,34}