B3311331313231311331322331333132313331322331323133313331333231333133321331
>>
B331133131323131133132233133313231333132233132313331333133323133313332133
<<
B3311331313231311331322331333132313331322331323133313331333231333133321333
>>
B3311331313231311331322331333132313331322331323133313331333231333133321332
>>