Kato Variation track kits V11-V14-V16

[mikestocknj]

I have Kato Variation track kit V11,V14 & V16. Using V11 & V14 together (14 inside 11), it is recommended to exchange the inner radius track, 4 sections of easement track, with the other "dogbone" configuration. What radius easement track would one use with the V16 kit when running all three together, one inside the other, 14 inside of 11, 11 inside 16? Exchanging the easement sections make the two configuration run reasonably parallel, if for no other reason. Using V16 makes the outer configuration a bit oversize, without exchanging easement track sections.