B3311331313231311331322331333132313231323331333131333133313231321323331
>>
B331133131323131133132233133313231323132333133313133313331323132132333
<<
B3311331313231311331322331333132313231323331333131333133313231321323333
>>
B3311331313231311331322331333132313231323331333131333133313231321323332
>>