B3311331313231311331322331333131133132313131133133313232233132313231323221111
>>
B331133131323131133132233133313113313231313113313331323223313231323132322111
<<
B3311331313231311331322331333131133132313131133133313232233132313231323221113
>>
B3311331313231311331322331333131133132313131133133313232233132313231323221112
>>