n: 40 m: 214 packed: 13 density: 0 nodes: 0 solveTime: 1320 buildTime: 20 solved: true
{0,31,38}
{1,18,25}
{2,24,37}
{3,26,29}
{4,13,14}
{5,11,39}
{6,10,22}
{7,16,21}
{8,30,33}
{9,19,23}
{12,27,35}
{15,17,28}
{32,34,36}