n: 40 m: 374 packed: 13 density: 0 nodes: 0 solveTime: 26650 buildTime: 80 solved: true
{0,12,16}
{1,5,14}
{2,32,36}
{3,20,27}
{4,18,30}
{6,9,33}
{7,10,13}
{8,25,38}
{15,21,28}
{17,29,34}
{19,24,26}
{22,23,39}
{31,35,37}