n: 40 m: 431 packed: 13 density: 0 nodes: 0 solveTime: 9470 buildTime: 110 solved: true
{0,5,26}
{1,18,39}
{2,7,15}
{3,4,24}
{6,10,14}
{8,17,32}
{9,33,38}
{11,25,30}
{12,21,36}
{13,22,37}
{16,20,35}
{19,28,34}
{23,27,31}