n: 30 m: 554 packed: 10 density: 0 nodes: 0 solveTime: 36760 buildTime: 180 solved: true
{0,11,23}
{1,10,24}
{2,9,21}
{3,16,28}
{4,8,15}
{5,7,19}
{6,22,26}
{12,13,14}
{17,18,25}
{20,27,29}