n: 30 m: 149 packed: 10 density: 0 nodes: 0 solveTime: 12590 buildTime: 10 solved: true
{0,8,16}
{1,7,11}
{2,13,27}
{3,6,24}
{4,5,23}
{9,21,25}
{10,26,29}
{12,14,17}
{15,22,28}
{18,19,20}