this one is nice:
9-9---3---3--95--------0---1---0---1---9-6---------9-------------0---0---0---9-9-9----c--------------c4-----0---0---0---0----c--6-7-7-7-6-7-1-7-7-1-7-0---0---0----c-cc---a-a------------------4-7-7-1-4-7-7-1-4-a-----------9-------------7-4-7-4-7-4-a-a-a---