n: 40 m: 481 packed: 13 density: 0 nodes: 0 solveTime: 14110 buildTime: 140 solved: true
{0,26,37}
{1,16,18}
{2,4,5}
{3,6,21}
{7,9,19}
{8,34,39}
{10,12,27}
{11,29,36}
{13,15,17}
{14,28,32}
{20,24,33}
{22,25,38}
{23,31,35}