n: 40 m: 407 packed: 13 density: 0 nodes: 0 solveTime: 7090 buildTime: 100 solved: true
{0,6,18}
{1,16,22}
{2,36,38}
{3,11,14}
{4,7,27}
{5,12,21}
{8,31,32}
{9,20,30}
{10,15,33}
{13,17,37}
{19,28,34}
{23,26,35}
{25,29,39}