How do i put multiple spoilers in my thread without them mixing together (HELP ASAP)

[timfa]

I js wrote a long ass thread but when i click the preview button every spoiler after the 3rd one just goes into the 3rd one.. my whole guide is in the 3rd spoiler and i didnt type the guide in between the brackets. pls help me out i js spent like a couple hours typing this up

 

[timfa]

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[timfa]

bump