n: 40 m: 589 packed: 13 density: 0 nodes: 0 solveTime: 43740 buildTime: 210 solved: true
{0,22,26}
{1,31,34}
{2,6,10}
{3,11,15}
{4,5,7}
{8,12,21}
{9,13,19}
{14,17,38}
{16,25,28}
{18,29,35}
{20,27,39}
{23,24,30}
{32,33,37}