>>969
alias "changedown" "cd1"
alias "cd1" "slot1; alias changedown cd2; alias changeup cu3"
alias "cd2" "slot2; alias changedown cd3; alias changeup cu1"
alias "cd3" "slot3; alias changedown cd1; alias changeup cu2"
bind "MWHEELDOWN" "changedown"
alias "changeup" "cu1"
alias "cu1" "slot1; alias changeup cu3; alias changedown cd2"
alias "cu2" "slot2; alias changeup cu1; alias changedown cd3"
alias "cu3" "slot3; alias changeup cu2; alias changedown cd1"
bind "MWHEELUP" "changeup"

下スクでメイン→サブ→ナイフ、上スクで逆 って感じでよかったかな
もし上下反対にしたいなら、画像の赤字だけ直しておわり
https://i.imgur.com/faaqhw3.png