exposed lapis generating in caves next to air blocks

lapis sometimes generates in caves and has exposure to air blocks when its not supposed to
Seed: -7008569621429101640

Coords:
-91 15 160
-15 18 143
73 28 123
125 20 60
4 -14 114 (look up)
71 -13 121
98 -9 42 (look up)
48 -5 128