YOL ATOM O2A CAA O1A CC5 CC6 CC1 CC2 CC3 CC4 NA ATOM CA CA1 CA6 CA5 CA4 CA3 CA2 OA FE OB ATOM CB2 CB3 CB4 CB5 CB6 CB1 CB NB CONNECT - O2A CAA O1A + CONNECT CAA CC5 CC6 CC1 CC2 CC3 CC4 CC5 CONNECT CC1 NA CA CA1 CA6 CA5 CA4 CA3 CA2 CA1 CONNECT CC2 NB FE NA CONNECT CA2 OA FE OB CB2 CB3 CB4 CB5 CB6 CB1 CB2 CONNECT CB1 CB NB