n: 30 m: 79 packed: 10 density: 0 nodes: 0 solveTime: 100 buildTime: 0 solved: true
{0,9,21}
{1,10,16}
{2,24,25}
{3,14,18}
{4,28,29}
{5,12,27}
{6,7,19}
{8,17,20}
{11,13,26}
{15,22,23}