n: 30 m: 227 packed: 10 density: 0 nodes: 0 solveTime: 930 buildTime: 40 solved: true
{0,11,12}
{1,20,21}
{2,25,27}
{3,8,16}
{4,5,15}
{6,18,19}
{7,13,24}
{9,10,23}
{14,26,29}
{17,22,28}