n: 40 m: 568 packed: 13 density: 0 nodes: 0 solveTime: 39680 buildTime: 190 solved: true
{0,11,19}
{1,30,31}
{3,26,27}
{4,25,29}
{5,18,21}
{6,12,37}
{7,10,32}
{8,9,28}
{13,15,16}
{14,35,39}
{17,33,34}
{20,23,24}
{22,36,38}