n: 40 m: 285 packed: 13 density: 0 nodes: 0 solveTime: 2650 buildTime: 50 solved: true
{0,19,27}
{1,9,31}
{2,24,38}
{3,6,29}
{4,30,39}
{5,11,13}
{7,8,12}
{14,22,26}
{15,35,37}
{16,18,25}
{17,28,32}
{20,23,34}
{21,33,36}