n: 40 m: 516 packed: 13 density: 0 nodes: 0 solveTime: 23500 buildTime: 150 solved: true
{0,12,14}
{1,11,23}
{2,8,34}
{3,4,6}
{5,7,32}
{10,33,35}
{13,36,37}
{15,22,24}
{16,19,38}
{17,18,20}
{21,27,31}
{25,28,30}
{26,29,39}