C111123313121111121111331333133313331333112221211331311331322121   >>    C11112331312111112111133133313331333133311222121133131133132212   <<    C111123313121111121111331333133313331333112221211331311331322123   >>      C111123313121111121111331333133313331333112221211331311331322122   >>