C1    C3
 O2    O1
 H3    H6
 H4    H5
 C5    C4
 H6    H7
 H7    H8
 C8    C5
 C9    C6 
H10    H9
C11    C7 
H12   H10 
H13   H11 
C14    C8 
H15   H12 
C16   C14 
H17   H18 
C18   C15 
H19   H19
H20   H20
C21   C16 
H22   H21 
H23   H22 
C24   C17 
H25   H23 
C26   C13 
C27   C18 
H28   H24 
H29   H25 
H30   H26 
C31   C12 
H32   H16 
H33   H17 
C34   C11
H35   H14 
H36   H15
C37    C9 
H38   H13
C39   C10
C40   C19 
H41   H27 
H42   H28 
H43   H29
C44    C1
H45    H1
H46    H2
C47    C2
H48    H3
H49    H4
C50   C20 
H51   H30 
C52   C21 
H53   H31 
H54   H32 
H55   H33 
C56   C22 
H57   H34 
H58   H35 
C59   C23
H60   H36 
H61   H37 
C62   C24 
H63   H38 
H64   H39 
C65   C25 
H66   H40 
C67   C26 
H68   H41 
H69   H42 
H70   H43 
C71   C27 
H72   H44 
H73   H45 
H74   H46