n: 40 m: 336 packed: 13 density: 0 nodes: 0 solveTime: 2960 buildTime: 60 solved: true
{0,8,22}
{1,6,21}
{2,10,12}
{3,4,5}
{7,24,29}
{11,37,39}
{13,16,30}
{14,32,38}
{15,27,31}
{17,20,33}
{18,34,36}
{19,25,35}
{23,26,28}