n: 30 m: 301 packed: 10 density: 0 nodes: 0 solveTime: 5180 buildTime: 60 solved: true
{0,19,24}
{1,15,18}
{2,6,29}
{3,5,14}
{4,7,20}
{8,9,21}
{10,11,22}
{12,16,27}
{13,25,26}
{17,23,28}