C11112331333132311331333133313331333132312323133313331323133313331323233111   >>    C1111233133313231133133313331333133313231232313331333132313331333132323311   <<    C11112331333132311331333133313331333132312323133313331323133313331323233113   >>      C11112331333132311331333133313331333132312323133313331323133313331323233112   >>