B331133131323131133132233133313233313233211331333133313331311211331333131211331
>>
B33113313132313113313223313331323331323321133133313331333131121133133313121133
<<
B331133131323131133132233133313233313233211331333133313331311211331333131211333
>>
B331133131323131133132233133313233313233211331333133313331311211331333131211332
>>