n: 30 m: 326 packed: 10 density: 0 nodes: 0 solveTime: 4560 buildTime: 70 solved: true
{0,20,26}
{1,6,10}
{2,3,12}
{4,24,27}
{5,14,25}
{7,8,9}
{11,13,29}
{15,17,21}
{16,19,28}
{18,22,23}