n: 30 m: 157 packed: 10 density: 0 nodes: 0 solveTime: 570 buildTime: 20 solved: true
{0,9,17}
{1,3,23}
{2,5,11}
{4,10,27}
{6,7,8}
{12,18,28}
{13,20,26}
{14,19,21}
{15,24,29}
{16,22,25}