C31313132333131133132233132233131121133132313231111331323133313232332322311   >>    C3131313233313113313223313223313112113313231323111133132313331323233232231   <<    C31313132333131133132233132233131121133132313231111331323133313232332322313   >>      C31313132333131133132233132233131121133132313231111331323133313232332322312   >>