n: 30 m: 287 packed: 10 density: 0 nodes: 0 solveTime: 3150 buildTime: 50 solved: true
{0,16,25}
{1,15,28}
{2,10,21}
{3,6,9}
{4,5,7}
{8,17,19}
{11,18,20}
{12,24,29}
{13,23,26}
{14,22,27}