n: 40 m: 319 packed: 13 density: 0 nodes: 0 solveTime: 2080 buildTime: 60 solved: true
{0,1,7}
{2,9,27}
{3,5,17}
{4,26,31}
{6,8,19}
{10,14,34}
{11,36,37}
{12,13,15}
{16,18,39}
{21,30,38}
{22,29,32}
{23,24,35}
{25,28,33}