B33113313132313113313223313331323132313233313331311331333131211111232312121
>>
B3311331313231311331322331333132313231323331333131133133313121111123231212
<<
B33113313132313113313223313331323132313233313331311331333131211111232312123
>>
B33113313132313113313223313331323132313233313331311331333131211111232312122
>>