n: 40 m: 546 packed: 13 density: 0 nodes: 0 solveTime: 22330 buildTime: 180 solved: true
{0,9,18}
{1,15,35}
{2,5,11}
{3,6,8}
{4,25,30}
{7,21,36}
{10,20,27}
{12,23,31}
{13,28,34}
{14,26,39}
{16,22,33}
{17,24,29}
{19,32,38}