n: 40 m: 480 packed: 13 density: 0 nodes: 0 solveTime: 23640 buildTime: 130 solved: true
{0,1,3}
{2,18,35}
{4,8,9}
{5,6,24}
{7,19,32}
{10,25,38}
{11,37,39}
{12,15,26}
{13,21,30}
{14,23,36}
{16,27,28}
{17,20,22}
{31,33,34}