n: 40 m: 351 packed: 13 density: 0 nodes: 0 solveTime: 9100 buildTime: 70 solved: true
{0,10,12}
{1,25,34}
{2,13,15}
{3,6,11}
{4,20,23}
{5,31,33}
{7,26,36}
{9,16,21}
{14,17,35}
{18,24,30}
{19,28,29}
{22,27,38}
{32,37,39}