n: 40 m: 141 packed: 13 density: 0 nodes: 0 solveTime: 1270 buildTime: 10 solved: true
{0,8,14}
{1,34,37}
{2,18,27}
{3,6,11}
{4,9,26}
{5,17,23}
{7,10,35}
{12,29,38}
{13,20,36}
{15,30,31}
{16,25,32}
{19,21,33}
{22,24,39}