n: 30 m: 469 packed: 10 density: 0 nodes: 0 solveTime: 19450 buildTime: 130 solved: true
{0,10,11}
{1,18,26}
{2,24,29}
{3,25,28}
{4,15,23}
{5,7,9}
{6,8,14}
{12,13,27}
{16,17,20}
{19,21,22}