n: 30 m: 144 packed: 10 density: 0 nodes: 0 solveTime: 240 buildTime: 10 solved: true
{0,10,20}
{1,22,27}
{2,4,12}
{3,5,7}
{6,11,23}
{8,15,24}
{9,14,16}
{13,18,29}
{17,19,21}
{25,26,28}