n: 30 m: 271 packed: 10 density: 0 nodes: 0 solveTime: 2180 buildTime: 50 solved: true
{0,16,21}
{1,24,29}
{2,25,27}
{3,7,9}
{4,19,22}
{5,12,14}
{6,15,28}
{8,10,23}
{11,13,20}
{17,18,26}