B33113313132313113313223313331323132313233313331311331333132233112121
>>
B3311331313231311331322331333132313231323331333131133133313223311212
<<
B33113313132313113313223313331323132313233313331311331333132233112123
>>
B33113313132313113313223313331323132313233313331311331333132233112122
>>