C232332323213231323132333132311221123123232213231323133313231333132312121   >>    C23233232321323132313233313231122112312323221323132313331323133313231212   <<    C232332323213231323132333132311221123123232213231323133313231333132312123   >>      C232332323213231323132333132311221123123232213231323133313231333132312122   >>