C11112331312111112111133133313331333132212111133133313331333133312111133111131   >>    C1111233131211111211113313331333133313221211113313331333133313331211113311113   <<    C11112331312111112111133133313331333132212111133133313331333133312111133111133   >>      C11112331312111112111133133313331333132212111133133313331333133312111133111132   >>