n: 30 m: 308 packed: 10 density: 0 nodes: 0 solveTime: 27920 buildTime: 60 solved: true
{0,4,27}
{1,13,23}
{2,22,28}
{3,21,24}
{5,10,18}
{6,25,29}
{7,8,14}
{9,11,16}
{12,17,26}
{15,19,20}