C31313132333131133132233132233131121133132333131333132313232112323111   >>    C3131313233313113313223313223313112113313233313133313231323211232311   <<    C31313132333131133132233132233131121133132333131333132313232112323113   >>      C31313132333131133132233132233131121133132333131333132313232112323112   >>