n: 30 m: 157 packed: 10 density: 0 nodes: 0 solveTime: 110 buildTime: 20 solved: true
{0,17,18}
{1,9,13}
{2,4,8}
{3,16,22}
{5,11,15}
{6,12,21}
{7,14,24}
{10,23,26}
{19,27,29}
{20,25,28}