n: 40 m: 329 packed: 13 density: 0 nodes: 0 solveTime: 3050 buildTime: 70 solved: true
{0,27,37}
{1,6,19}
{2,10,32}
{3,31,36}
{4,15,28}
{5,21,26}
{7,9,14}
{8,12,34}
{11,22,38}
{13,16,20}
{18,33,39}
{23,25,30}
{24,29,35}