C31313132333131133132233132233131121133132313231111331323133313231323232131121   >>    C3131313233313113313223313223313112113313231323111133132313331323132323213112   <<    C31313132333131133132233132233131121133132313231111331323133313231323232131123   >>      C31313132333131133132233132233131121133132313231111331323133313231323232131122   >>