Changing direction

I love playing in my tunnel. Sometimes I turn left, sometimes right but it's always fun seeing where I pop out ... and who I can surprise in the process!

"Alice came to a fork in the road. 'Which road do I take?' she asked.
'Where do you want to go?' responded the Cheshire Cat.
'I don't know,' Alice answered.
'Then,' said the Cat, 'it doesn't matter.
(Lewis Carroll)