n: 30 m: 519 packed: 10 density: 0 nodes: 0 solveTime: 43330 buildTime: 160 solved: true
{0,7,20}
{1,8,19}
{2,5,25}
{3,18,23}
{4,6,9}
{10,14,15}
{11,21,27}
{12,22,28}
{13,16,29}
{17,24,26}