n: 40 m: 326 packed: 13 density: 0 nodes: 0 solveTime: 5460 buildTime: 60 solved: true
{0,7,15}
{1,17,19}
{2,3,10}
{4,5,18}
{6,8,37}
{9,16,29}
{11,14,23}
{12,20,28}
{13,26,33}
{21,22,32}
{24,30,31}
{27,35,39}
{34,36,38}