n: 30 m: 438 packed: 10 density: 0 nodes: 0 solveTime: 17930 buildTime: 110 solved: true
{0,24,27}
{1,16,23}
{2,8,25}
{3,5,12}
{4,19,26}
{6,7,9}
{10,22,28}
{11,20,29}
{13,14,17}
{15,18,21}