n: 40 m: 595 packed: 13 density: 0 nodes: 0 solveTime: 12790 buildTime: 210 solved: true
{0,23,32}
{1,34,36}
{2,5,18}
{3,15,20}
{4,28,33}
{6,14,38}
{7,10,26}
{8,19,35}
{9,24,37}
{11,13,21}
{12,30,31}
{16,17,39}
{25,27,29}