7 DIFFERENT NEGRONI COCKTAILS - How far is too far?

How to make the Tunnel
1 oz Gin
1 oz Dry Vermouth
2/3 oz Campari
1/3 oz Amaro or Sweet Vermouth
Grapefruit zest garnish

How to make the Split nuts
1 oz Gin
1 oz Campari
1/2 oz Cocchi Di Torino
1/2 oz Amaro Montenegro
Orange zest garnish