n: 30 m: 228 packed: 10 density: 0 nodes: 0 solveTime: 950 buildTime: 30 solved: true
{0,14,25}
{1,20,21}
{2,23,29}
{3,4,12}
{5,8,13}
{6,7,9}
{10,22,24}
{11,17,18}
{15,16,27}
{19,26,28}