n: 40 m: 551 packed: 13 density: 0 nodes: 0 solveTime: 28350 buildTime: 180 solved: true
{0,25,27}
{1,35,36}
{2,6,14}
{3,11,28}
{4,9,16}
{5,13,15}
{7,24,29}
{8,26,33}
{10,12,21}
{17,34,39}
{18,20,23}
{22,30,38}
{31,32,37}