n: 30 m: 481 packed: 10 density: 0 nodes: 0 solveTime: 12090 buildTime: 130 solved: true
{0,10,15}
{1,20,23}
{2,5,8}
{3,16,22}
{4,17,19}
{6,14,28}
{7,9,11}
{12,13,29}
{18,24,25}
{21,26,27}