C11112331312111112111133133313331333132212111133133313331333132333131231221   >>    C1111233131211111211113313331333133313221211113313331333133313233313123122   <<    C11112331312111112111133133313331333132212111133133313331333132333131231223   >>      C11112331312111112111133133313331333132212111133133313331333132333131231222   >>