n: 30 m: 458 packed: 10 density: 0 nodes: 0 solveTime: 10640 buildTime: 120 solved: true
{0,7,12}
{1,24,25}
{2,6,15}
{3,4,8}
{5,14,21}
{9,18,28}
{10,13,27}
{11,16,19}
{17,20,22}
{23,26,29}