n: 40 m: 349 packed: 13 density: 0 nodes: 0 solveTime: 4380 buildTime: 70 solved: true
{0,21,33}
{1,20,31}
{2,4,8}
{3,5,14}
{6,13,37}
{7,9,15}
{10,12,35}
{11,18,28}
{16,24,25}
{17,23,30}
{19,27,38}
{26,29,34}
{32,36,39}