B331133131323131133132233133313231333132333131211113313231333133313331311123311
>>
B33113313132313113313223313331323133313233313121111331323133313331333131112331
<<
B331133131323131133132233133313231333132333131211113313231333133313331311123313
>>
B331133131323131133132233133313231333132333131211113313231333133313331311123312
>>