B3311331313231311331322331333132313331322331323133313331333133313232332321221
>>
B331133131323131133132233133313231333132233132313331333133313331323233232122
<<
B3311331313231311331322331333132313331322331323133313331333133313232332321223
>>
B3311331313231311331322331333132313331322331323133313331333133313232332321222
>>