n: 30 m: 121 packed: 10 density: 0 nodes: 0 solveTime: 630 buildTime: 10 solved: true
{0,16,19}
{1,10,23}
{2,4,15}
{3,14,21}
{5,18,24}
{6,17,22}
{7,8,13}
{9,11,12}
{20,25,27}
{26,28,29}