n: 40 m: 437 packed: 13 density: 0 nodes: 0 solveTime: 3590 buildTime: 120 solved: true
{0,1,10}
{2,5,22}
{3,11,28}
{4,12,18}
{6,13,21}
{7,9,39}
{8,14,34}
{15,31,33}
{16,29,37}
{17,20,30}
{23,24,26}
{25,35,38}
{27,32,36}