n: 30 m: 516 packed: 10 density: 0 nodes: 0 solveTime: 31390 buildTime: 160 solved: true
{0,3,10}
{1,15,18}
{2,21,25}
{4,16,17}
{5,19,23}
{6,22,29}
{7,20,28}
{8,26,27}
{9,12,24}
{11,13,14}