n: 30 m: 132 packed: 10 density: 0 nodes: 0 solveTime: 260 buildTime: 20 solved: true
{0,18,26}
{1,6,9}
{2,3,28}
{4,16,22}
{5,13,29}
{7,8,11}
{10,15,19}
{12,14,23}
{17,20,21}
{24,25,27}