n: 40 m: 442 packed: 13 density: 0 nodes: 0 solveTime: 120480 buildTime: 120 solved: true
{0,16,25}
{1,6,35}
{2,4,10}
{3,19,23}
{5,17,39}
{7,15,27}
{8,11,13}
{9,18,26}
{14,28,30}
{20,21,22}
{24,34,36}
{29,32,38}
{31,33,37}