B3311331313231311331322331333131133133313111333133313331323133112112321
>>
B331133131323131133132233133313113313331311133313331333132313311211232
<<
B3311331313231311331322331333131133133313111333133313331323133112112323
>>
B3311331313231311331322331333131133133313111333133313331323133112112322
>>