n: 40 m: 155 packed: 13 density: 0 nodes: 0 solveTime: 500 buildTime: 30 solved: true
{0,3,26}
{1,16,20}
{2,6,9}
{4,29,30}
{5,12,36}
{7,24,32}
{8,10,17}
{11,35,37}
{13,14,39}
{15,21,38}
{18,31,34}
{19,27,28}
{22,23,33}