n: 30 m: 487 packed: 10 density: 0 nodes: 0 solveTime: 16480 buildTime: 150 solved: true
{0,25,26}
{1,21,27}
{2,4,12}
{3,6,7}
{5,8,11}
{9,14,23}
{10,13,15}
{16,18,24}
{17,20,22}
{19,28,29}