n: 40 m: 471 packed: 13 density: 0 nodes: 0 solveTime: 8000 buildTime: 130 solved: true
{0,26,36}
{1,11,19}
{2,5,14}
{3,33,37}
{6,13,22}
{7,17,39}
{8,9,30}
{10,23,31}
{12,21,24}
{15,34,38}
{16,25,27}
{18,20,28}
{29,32,35}