n: 30 m: 67 packed: 10 density: 0 nodes: 0 solveTime: 40 buildTime: 10 solved: true
{0,6,28}
{1,11,13}
{2,17,23}
{3,8,15}
{4,14,22}
{5,26,27}
{7,19,20}
{9,24,29}
{10,21,25}
{12,16,18}