B3311331313231311331322331333131133133313231211331333132313132323221
>>
B331133131323131133132233133313113313331323121133133313231313232322
<<
B3311331313231311331322331333131133133313231211331333132313132323223
>>
B3311331313231311331322331333131133133313231211331333132313132323222
>>