n: 40 m: 433 packed: 13 density: 0 nodes: 0 solveTime: 15920 buildTime: 100 solved: true
{0,15,17}
{1,6,8}
{2,14,20}
{3,4,16}
{5,33,37}
{7,9,26}
{10,13,34}
{11,18,22}
{12,29,35}
{19,24,28}
{21,31,36}
{23,25,27}
{32,38,39}