n: 40 m: 144 packed: 13 density: 0 nodes: 0 solveTime: 820 buildTime: 10 solved: true
{0,13,33}
{1,4,11}
{2,18,22}
{3,16,36}
{5,23,24}
{6,9,34}
{7,28,37}
{8,10,17}
{12,25,31}
{14,26,32}
{15,19,20}
{21,35,38}
{29,30,39}