n: 40 m: 274 packed: 13 density: 0 nodes: 0 solveTime: 1240 buildTime: 50 solved: true
{0,1,5}
{2,11,16}
{3,8,9}
{4,15,31}
{6,7,32}
{10,21,23}
{12,36,37}
{13,18,38}
{14,17,25}
{19,35,39}
{20,22,29}
{24,27,33}
{26,28,34}