n: 40 m: 221 packed: 13 density: 0 nodes: 0 solveTime: 1200 buildTime: 30 solved: true
{0,32,33}
{1,16,25}
{2,22,29}
{3,28,34}
{4,21,35}
{5,6,7}
{8,13,24}
{9,26,39}
{10,15,19}
{11,12,20}
{14,23,27}
{17,36,37}
{18,30,31}