n: 40 m: 714 packed: 13 density: 0 nodes: 0 solveTime: 47750 buildTime: 300 solved: true
{0,24,31}
{1,3,4}
{5,9,17}
{6,37,38}
{7,25,26}
{8,20,32}
{10,28,39}
{11,18,33}
{12,35,36}
{13,16,21}
{14,22,27}
{15,19,23}
{29,30,34}