C1313122132333132313132313232321323132313132322331323331323222233231   >>    C131312213233313231313231323232132313231313232233132333132322223323   <<    C1313122132333132313132313232321323132313132322331323331323222233233   >>      C1313122132333132313132313232321323132313132322331323331323222233232   >>