C111123313121111121111331323133313331333132322133313331133133313223231   >>    C11112331312111112111133132313331333133313232213331333113313331322323   <<    C111123313121111121111331323133313331333132322133313331133133313223233   >>      C111123313121111121111331323133313331333132322133313331133133313223232   >>