Picnic table with 2 benches

I am trying to find a design for a picnic table with 2 benches.
The picnic table l want to be 28'' across and 72'' long and about 29'' high.
The 2 benches l want to be 11 inches across seat and 70'' long and 16 inches high.
I want to be able to slide benches under sides of table when not used.
If any one can help me with a design, cut list material list and if possible steps on building it. Please email me at [email protected]
Thanks so much
Jim, Trenton, Ontario, Canada