n: 30 m: 307 packed: 10 density: 0 nodes: 0 solveTime: 3420 buildTime: 60 solved: true
{0,5,25}
{1,2,4}
{3,10,26}
{6,22,28}
{7,12,23}
{8,17,24}
{9,13,29}
{11,18,27}
{14,20,21}
{15,16,19}