B33113313132313113313223313331311331333132311331333133313231331122211
>>
B3311331313231311331322331333131133133313231133133313331323133112221
<<
B33113313132313113313223313331311331333132311331333133313231331122213
>>
B33113313132313113313223313331311331333132311331333133313231331122212
>>