n: 30 m: 287 packed: 10 density: 0 nodes: 0 solveTime: 4440 buildTime: 50 solved: true
{0,9,15}
{1,13,24}
{2,10,12}
{3,4,27}
{5,14,26}
{6,17,22}
{7,8,19}
{11,18,23}
{16,25,29}
{20,21,28}