C111123313121111121111331323133313331333132333133313113313232131   >>    C11112331312111112111133132313331333133313233313331311331323213   <<    C111123313121111121111331323133313331333132333133313113313232133   >>      C111123313121111121111331323133313331333132333133313113313232132   >>