B331133131323131133132233133313231323132333133313121111331333132332123331
>>
B33113313132313113313223313331323132313233313331312111133133313233212333
<<
B331133131323131133132233133313231323132333133313121111331333132332123333
>>
B331133131323131133132233133313231323132333133313121111331333132332123332
>>