_:b57451212 . _:b57451213 "formation" . _:b57451213 . _:b57451210 . _:b57451210 . _:b57451211 "C1522492" . _:b57451211 "T169" . _:b57451210 _:b57451212 . _:b57451212 _:b57451213 . _:b57451210 . _:b57451210 _:b57451211 . _:b57451210 "1"^^ .