n: 30 m: 76 packed: 10 density: 0 nodes: 0 solveTime: 40 buildTime: 0 solved: true
{0,19,23}
{1,25,29}
{2,10,20}
{3,14,15}
{4,12,18}
{5,8,26}
{6,9,17}
{7,11,13}
{16,22,24}
{21,27,28}