n: 30 m: 469 packed: 10 density: 0 nodes: 0 solveTime: 4690 buildTime: 130 solved: true
{0,8,21}
{1,7,12}
{2,5,27}
{3,6,10}
{4,14,29}
{9,11,26}
{13,25,28}
{15,19,20}
{16,18,23}
{17,22,24}