n: 40 m: 413 packed: 13 density: 0 nodes: 0 solveTime: 15230 buildTime: 100 solved: true
{0,9,31}
{1,6,24}
{2,12,36}
{3,8,25}
{5,17,29}
{7,30,38}
{10,26,28}
{11,27,33}
{13,20,34}
{14,22,32}
{15,16,35}
{18,19,23}
{21,37,39}