C111123313121111121111331333133313331333131221111113313331121221   >>    C11112331312111112111133133313331333133313122111111331333112122   <<    C111123313121111121111331333133313331333131221111113313331121223   >>      C111123313121111121111331333133313331333131221111113313331121222   >>