n: 40 m: 215 packed: 13 density: 0 nodes: 0 solveTime: 870 buildTime: 30 solved: true
{0,4,20}
{1,25,29}
{2,19,32}
{3,24,30}
{5,15,16}
{6,10,14}
{7,28,35}
{8,13,22}
{9,34,38}
{11,31,37}
{12,18,33}
{17,27,36}
{21,26,39}