n: 40 m: 368 packed: 13 density: 0 nodes: 0 solveTime: 4490 buildTime: 80 solved: true
{0,29,38}
{1,17,18}
{2,11,39}
{3,4,10}
{6,21,30}
{7,12,31}
{8,9,24}
{13,20,33}
{14,26,27}
{15,34,36}
{16,28,35}
{19,32,37}
{22,23,25}