n: 30 m: 221 packed: 10 density: 0 nodes: 0 solveTime: 720 buildTime: 30 solved: true
{0,6,24}
{1,18,28}
{2,3,15}
{4,10,12}
{5,9,25}
{7,21,29}
{8,20,26}
{11,19,22}
{13,14,27}
{16,17,23}