n: 40 m: 466 packed: 13 density: 0 nodes: 0 solveTime: 9690 buildTime: 120 solved: true
{0,11,21}
{1,30,32}
{2,16,29}
{3,4,5}
{6,34,36}
{7,13,33}
{8,12,15}
{9,18,20}
{10,25,38}
{14,24,31}
{17,37,39}
{19,22,23}
{27,28,35}