C111123313331323113313331331121111331323132322333121111133313233231   >>    C11112331333132311331333133112111133132313232233312111113331323323   <<    C111123313331323113313331331121111331323132322333121111133313233233   >>      C111123313331323113313331331121111331323132322333121111133313233232   >>