n: 40 m: 658 packed: 13 density: 0 nodes: 0 solveTime: 71000 buildTime: 250 solved: true
{0,37,38}
{1,2,3}
{4,13,19}
{5,7,8}
{6,9,12}
{10,21,27}
{11,22,23}
{14,20,25}
{15,17,18}
{16,26,30}
{24,33,35}
{28,32,39}
{31,34,36}