n: 40 m: 178 packed: 13 density: 0 nodes: 0 solveTime: 2440 buildTime: 20 solved: true
{0,3,21}
{1,8,26}
{2,18,25}
{4,11,37}
{5,24,33}
{6,16,17}
{7,10,32}
{9,28,30}
{12,15,38}
{14,19,39}
{20,23,34}
{22,29,35}
{27,31,36}