C11112331312111112111133132313331333133313233313331333133313113322131   >>    C1111233131211111211113313231333133313331323331333133313331311332213   <<    C11112331312111112111133132313331333133313233313331333133313113322133   >>      C11112331312111112111133132313331333133313233313331333133313113322132   >>