After long-term observations:
Suspect:
SBS7519B SBS7520X SBS7521T SBS7523M SBS7530S SBS7531P
SBS7533J SBS7535D
(SLBP SP
SLBP 30)
SBS7525H SBS7526E SBS7527C
(SLBP SP
SLBP 197)
To be confirmed further:
SBS7528A
(SLBP SP
SLBP 51)
SBS7537Z
(SLBP SP
SLBP 143)