n: 30 m: 219 packed: 10 density: 0 nodes: 0 solveTime: 790 buildTime: 30 solved: true
{0,4,27}
{1,10,14}
{2,3,9}
{5,21,29}
{6,13,15}
{7,12,25}
{8,20,24}
{11,23,26}
{16,18,19}
{17,22,28}