B3311331313231311331322331333132333133311211331333132313331323133313123122321
>>
B331133131323131133132233133313233313331121133133313231333132313331312312232
<<
B3311331313231311331322331333132333133311211331333132313331323133313123122323
>>
B3311331313231311331322331333132333133311211331333132313331323133313123122322
>>