n: 40 m: 212 packed: 13 density: 0 nodes: 0 solveTime: 410 buildTime: 30 solved: true
{0,21,33}
{1,17,25}
{2,3,11}
{4,8,38}
{5,26,35}
{6,18,19}
{7,28,29}
{9,22,34}
{10,15,32}
{12,27,37}
{14,30,39}
{16,20,36}
{23,24,31}