N
P
O11
O12
O13
O14
C11
C12
C13
C14
C15
C1 
C2 
C3 
O31
O32
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
C43
O21
O22
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C47
C48
C49
C50
C51
C52
C44
C45
C46
