This is also MB-ish phrase. Alternate fingering requires multi finger syncronized action.
Maybe, no tanging is given during phrase, only fingering accuracy defines
clear notes.
とてもMBらしいフレーズ。オルタネートフィンガ(替え指)はタンギングなしで複数の音を区切るわけですがが、複数の指の同時性が音のキレを左右することになります。
From "Delta city Blues" (-Oct)
There are many alternate fingering, sometimes depending on individual horn.
I use fingering below. Ah maybe strange method
In general, 2nd, 4th are played reverse.