n: 40 m: 548 packed: 13 density: 0 nodes: 0 solveTime: 72300 buildTime: 180 solved: true
{0,5,17}
{1,6,33}
{2,14,28}
{3,4,11}
{7,9,20}
{8,24,26}
{10,19,23}
{12,30,35}
{13,16,31}
{15,27,38}
{18,32,36}
{21,22,25}
{29,34,37}