n: 40 m: 199 packed: 13 density: 0 nodes: 0 solveTime: 790 buildTime: 20 solved: true
{0,6,31}
{1,23,32}
{2,18,20}
{3,33,37}
{4,10,22}
{5,9,26}
{7,14,15}
{8,11,36}
{12,13,19}
{16,28,34}
{17,25,35}
{21,24,29}
{27,30,39}