C11112331333132311331333133313331333132313231123313232213111121   >>    C1111233133313231133133313331333133313231323112331323221311112   <<    C11112331333132311331333133313331333132313231123313232213111123   >>      C11112331333132311331333133313331333132313231123313232213111122   >>