n: 30 m: 240 packed: 10 density: 0 nodes: 0 solveTime: 4660 buildTime: 30 solved: true
{0,11,21}
{1,8,23}
{2,4,19}
{3,16,29}
{5,7,26}
{6,9,12}
{10,20,27}
{13,18,25}
{14,15,22}
{17,24,28}