n: 40 m: 141 packed: 13 density: 0 nodes: 0 solveTime: 9010 buildTime: 10 solved: true
{0,26,34}
{1,4,30}
{2,19,39}
{3,11,37}
{5,24,35}
{6,12,28}
{7,14,17}
{8,18,21}
{9,27,38}
{10,13,15}
{16,25,32}
{20,23,36}
{22,31,33}