n: 40 m: 292 packed: 13 density: 0 nodes: 0 solveTime: 2380 buildTime: 50 solved: true
{0,23,37}
{1,6,21}
{2,3,27}
{4,10,12}
{5,8,22}
{9,35,36}
{11,16,25}
{13,24,33}
{14,17,38}
{15,31,34}
{18,19,28}
{20,26,29}
{30,32,39}