n: 30 m: 232 packed: 10 density: 0 nodes: 0 solveTime: 900 buildTime: 30 solved: true
{0,5,7}
{1,8,29}
{2,10,28}
{3,4,15}
{6,11,12}
{9,22,23}
{13,14,27}
{16,19,21}
{17,18,24}
{20,25,26}