C31313132333131133132233132233131121133132333131333132333132313232112311   >>    C3131313233313113313223313223313112113313233313133313233313231323211231   <<    C31313132333131133132233132233131121133132333131333132333132313232112313   >>      C31313132333131133132233132233131121133132333131333132333132313232112312   >>