n: 30 m: 306 packed: 10 density: 0 nodes: 0 solveTime: 3390 buildTime: 60 solved: true
{0,7,9}
{1,13,16}
{2,12,14}
{3,8,22}
{4,10,23}
{5,19,20}
{6,26,28}
{11,25,27}
{15,18,21}
{17,24,29}