n: 30 m: 271 packed: 10 density: 0 nodes: 0 solveTime: 2140 buildTime: 50 solved: true
{0,9,15}
{1,10,28}
{2,4,6}
{3,21,23}
{5,17,27}
{7,13,18}
{8,11,29}
{12,14,22}
{16,19,20}
{24,25,26}