n: 40 m: 450 packed: 13 density: 0 nodes: 0 solveTime: 16430 buildTime: 120 solved: true
{0,25,32}
{1,18,35}
{2,3,11}
{4,7,21}
{5,8,17}
{6,14,34}
{9,26,36}
{10,24,28}
{12,15,38}
{13,31,39}
{19,29,37}
{20,30,33}
{22,23,27}