n: 40 m: 387 packed: 13 density: 0 nodes: 0 solveTime: 46940 buildTime: 90 solved: true
{0,10,19}
{1,31,38}
{2,8,11}
{3,25,27}
{4,7,36}
{5,26,39}
{6,22,29}
{9,18,37}
{12,14,35}
{13,16,21}
{15,24,34}
{17,20,33}
{23,28,32}