n: 40 m: 499 packed: 13 density: 0 nodes: 0 solveTime: 15460 buildTime: 140 solved: true
{0,6,13}
{1,3,8}
{2,7,35}
{4,16,22}
{5,10,15}
{9,23,36}
{11,33,34}
{12,18,39}
{17,19,37}
{20,29,30}
{21,25,26}
{24,31,38}
{27,28,32}