n: 40 m: 468 packed: 13 density: 0 nodes: 0 solveTime: 13880 buildTime: 120 solved: true
{0,29,31}
{1,10,19}
{2,12,17}
{3,8,11}
{4,5,37}
{6,7,33}
{13,14,34}
{15,18,21}
{16,23,26}
{20,24,36}
{22,32,39}
{25,28,30}
{27,35,38}