n: 40 m: 369 packed: 13 density: 0 nodes: 0 solveTime: 2610 buildTime: 80 solved: true
{0,10,18}
{1,2,3}
{4,8,17}
{5,31,36}
{6,22,37}
{7,34,38}
{9,20,27}
{11,12,30}
{13,23,24}
{14,26,28}
{15,32,33}
{19,29,35}
{21,25,39}