C1313122132333132313132313232321323132313232113313231323211232321111   >>    C131312213233313231313231323232132313231323211331323132321123232111   <<    C1313122132333132313132313232321323132313232113313231323211232321113   >>      C1313122132333132313132313232321323132313232113313231323211232321112   >>