C1111121111331311211331333133313331313331323132233132313231323132322311   >>    C111112111133131121133133313331333131333132313223313231323132313232231   <<    C1111121111331311211331333133313331313331323132233132313231323132322313   >>      C1111121111331311211331333133313331313331323132233132313231323132322312   >>