n: 40 m: 424 packed: 13 density: 0 nodes: 0 solveTime: 12990 buildTime: 110 solved: true
{0,6,15}
{1,16,31}
{2,5,8}
{3,4,13}
{9,33,36}
{10,22,39}
{11,18,21}
{12,24,30}
{14,20,26}
{17,25,28}
{19,32,35}
{23,29,38}
{27,34,37}