n: 40 m: 142 packed: 13 density: 0 nodes: 0 solveTime: 320 buildTime: 10 solved: true
{0,12,25}
{1,14,37}
{2,13,19}
{3,17,21}
{4,30,32}
{5,26,33}
{6,22,24}
{7,31,35}
{9,10,29}
{11,34,39}
{15,18,20}
{16,23,38}
{27,28,36}