n: 30 m: 458 packed: 10 density: 0 nodes: 0 solveTime: 3780 buildTime: 130 solved: true
{0,11,14}
{1,8,29}
{2,26,27}
{3,4,7}
{5,20,22}
{6,13,15}
{9,21,25}
{10,16,17}
{12,18,28}
{19,23,24}