n: 40 m: 490 packed: 13 density: 0 nodes: 0 solveTime: 26100 buildTime: 140 solved: true
{0,2,31}
{1,3,20}
{4,8,29}
{5,15,30}
{6,10,39}
{7,9,34}
{11,16,22}
{12,13,28}
{14,19,32}
{17,21,25}
{18,27,38}
{23,33,36}
{26,35,37}