C111123313121111121111331333133313331333112221211111211111323211331323223121   >>    C11112331312111112111133133313331333133311222121111121111132321133132322312   <<    C111123313121111121111331333133313331333112221211111211111323211331323223123   >>      C111123313121111121111331333133313331333112221211111211111323211331323223122   >>