n: 30 m: 493 packed: 10 density: 0 nodes: 0 solveTime: 22780 buildTime: 150 solved: true
{0,5,22}
{1,8,26}
{2,7,11}
{3,4,24}
{6,25,28}
{9,12,17}
{10,15,27}
{13,18,23}
{14,16,29}
{19,20,21}