n: 30 m: 379 packed: 10 density: 0 nodes: 0 solveTime: 8900 buildTime: 90 solved: true
{0,3,18}
{1,9,29}
{2,4,5}
{6,7,13}
{8,11,17}
{10,19,27}
{12,14,28}
{15,21,23}
{16,20,22}
{24,25,26}