n: 30 m: 390 packed: 10 density: 0 nodes: 0 solveTime: 6220 buildTime: 90 solved: true
{0,6,15}
{1,5,9}
{2,3,4}
{7,16,28}
{8,14,24}
{10,25,29}
{11,18,19}
{12,17,22}
{13,23,27}
{20,21,26}