n: 40 m: 526 packed: 13 density: 0 nodes: 0 solveTime: 6560 buildTime: 170 solved: true
{0,1,33}
{2,3,14}
{4,12,15}
{5,22,23}
{6,13,18}
{7,28,31}
{8,19,21}
{9,30,38}
{10,35,36}
{11,24,32}
{16,17,25}
{20,27,34}
{26,29,37}