n: 30 m: 452 packed: 10 density: 0 nodes: 0 solveTime: 6080 buildTime: 120 solved: true
{0,1,8}
{2,3,15}
{4,5,6}
{7,11,18}
{9,21,26}
{10,19,28}
{12,14,17}
{13,22,25}
{16,23,27}
{20,24,29}