n: 40 m: 573 packed: 13 density: 0 nodes: 0 solveTime: 22730 buildTime: 200 solved: true
{0,1,5}
{2,3,26}
{4,8,19}
{6,20,27}
{7,23,31}
{9,22,38}
{10,11,39}
{12,18,37}
{13,17,34}
{14,28,33}
{15,16,35}
{21,25,30}
{24,32,36}