B33113313132313113313223313331323132313233313331311331311331323211113121
>>
B3311331313231311331322331333132313231323331333131133131133132321111312
<<
B33113313132313113313223313331323132313233313331311331311331323211113123
>>
B33113313132313113313223313331323132313233313331311331311331323211113122
>>