begin 670 comment structs
everything has been changed to a loop
Helix(1,4)
Loop(5,9)
Sheet(10,15)
Loop(16,22)
Helix(23,28)
Loop(29,31)
Sheet(32,33)
Loop(34,36)
Sheet(37,44)
Loop(45,50)
Sheet(51,60)
Loop(61,61)
Helix(62,62)
Loop(63,65)
Sheet(66,74)
Loop(75,78)
Sheet(79,86)
Loop(87,92)
Sheet(93,101)
Loop(102,120)
end 670 comment structs

puzzle 670 page here (read down, hat tip to folder spdenne for finding the prediction page):
http://fold.it/portal/node/994067

This recipe is for the puzzle 660 formerly known as 670 ;-)