n: 40 m: 497 packed: 13 density: 0 nodes: 0 solveTime: 33790 buildTime: 150 solved: true
{0,2,24}
{1,5,8}
{3,6,7}
{9,10,14}
{11,16,17}
{12,19,25}
{13,22,36}
{15,29,35}
{18,21,31}
{20,37,39}
{23,28,32}
{26,30,34}
{27,33,38}