n: 40 m: 187 packed: 13 density: 0 nodes: 0 solveTime: 2090 buildTime: 30 solved: true
{0,16,19}
{1,6,33}
{2,18,36}
{3,23,29}
{4,30,31}
{5,27,39}
{7,10,26}
{8,12,38}
{9,11,21}
{13,20,32}
{14,24,34}
{15,17,25}
{22,28,35}