n: 30 m: 470 packed: 10 density: 0 nodes: 0 solveTime: 5290 buildTime: 140 solved: true
{0,3,6}
{1,4,12}
{2,16,24}
{5,13,19}
{7,8,14}
{9,17,27}
{10,25,29}
{11,15,21}
{18,23,26}
{20,22,28}