B331133131323131133132233133313231333112113121111121111331333133313112232221
>>
B33113313132313113313223313331323133311211312111112111133133313331311223222
<<
B331133131323131133132233133313231333112113121111121111331333133313112232223
>>
B331133131323131133132233133313231333112113121111121111331333133313112232222
>>