4

C       0.220944912364830      0.231715454578219      0.252247570722496
C       1.321834975654155      1.712192530768357     -0.026621522506409
C       1.629906654314070     -0.217795497619632      1.782781973647627
C       0.116834991915406      1.549239273724123      1.327029413856138