C111123313121111121111331323133313331333132322133313331311112311   >>    C11112331312111112111133132313331333133313232213331333131111231   <<    C111123313121111121111331323133313331333132322133313331311112313   >>      C111123313121111121111331323133313331333132322133313331311112312   >>