n: 40 m: 416 packed: 13 density: 0 nodes: 0 solveTime: 6780 buildTime: 110 solved: true
{0,1,29}
{2,3,8}
{4,19,37}
{5,15,27}
{6,28,33}
{7,17,36}
{9,25,32}
{11,14,16}
{12,13,26}
{18,31,35}
{20,22,34}
{21,23,30}
{24,38,39}