B331133131323131133132233133313233313233211331333133313231323112311
>>
B33113313132313113313223313331323331323321133133313331323132311231
<<
B331133131323131133132233133313233313233211331333133313231323112313
>>
B331133131323131133132233133313233313233211331333133313231323112312
>>