C11111211113313112113313331333133313331333211321111331322122331   >>    C1111121111331311211331333133313331333133321132111133132212233   <<    C11111211113313112113313331333133313331333211321111331322122333   >>      C11111211113313112113313331333133313331333211321111331322122332   >>