n: 40 m: 284 packed: 13 density: 0 nodes: 0 solveTime: 5220 buildTime: 50 solved: true
{0,9,12}
{1,3,21}
{2,5,6}
{4,22,36}
{7,10,13}
{8,18,29}
{11,17,23}
{14,25,28}
{15,26,27}
{16,33,34}
{19,31,39}
{20,35,37}
{24,30,32}