n: 40 m: 509 packed: 13 density: 0 nodes: 0 solveTime: 29950 buildTime: 160 solved: true
{0,10,37}
{1,26,39}
{2,5,23}
{3,4,8}
{6,7,30}
{9,22,24}
{11,12,21}
{13,17,19}
{14,18,25}
{15,27,38}
{16,29,34}
{20,28,32}
{31,33,36}