n: 30 m: 240 packed: 10 density: 0 nodes: 0 solveTime: 750 buildTime: 40 solved: true
{0,8,12}
{1,20,24}
{2,3,15}
{4,13,14}
{5,21,29}
{6,11,25}
{7,16,19}
{9,17,26}
{10,18,23}
{22,27,28}