n: 40 m: 575 packed: 13 density: 0 nodes: 0 solveTime: 40390 buildTime: 190 solved: true
{0,4,7}
{1,3,29}
{5,11,26}
{6,24,37}
{8,13,20}
{9,34,35}
{10,18,27}
{12,19,21}
{14,17,25}
{15,38,39}
{16,22,23}
{28,30,31}
{32,33,36}