C11112331312111112111133133313331333133313331333133313331333131111321131   >>    C1111233131211111211113313331333133313331333133313331333133313111132113   <<    C11112331312111112111133133313331333133313331333133313331333131111321133   >>      C11112331312111112111133133313331333133313331333133313331333131111321132   >>