n: 30 m: 297 packed: 10 density: 0 nodes: 0 solveTime: 1270 buildTime: 50 solved: true
{0,2,4}
{1,3,9}
{5,10,21}
{6,20,28}
{7,25,27}
{8,12,13}
{11,14,29}
{15,19,22}
{16,17,24}
{18,23,26}