n: 40 m: 318 packed: 13 density: 0 nodes: 0 solveTime: 4830 buildTime: 60 solved: true
{0,8,16}
{1,13,28}
{2,10,31}
{3,4,33}
{5,21,24}
{6,9,20}
{7,12,14}
{15,32,38}
{17,34,36}
{18,19,26}
{22,30,39}
{23,27,35}
{25,29,37}