B3311331313231311331322331333132313231323331333131123313331323132112322131
>>
B331133131323131133132233133313231323132333133313112331333132313211232213
<<
B3311331313231311331322331333132313231323331333131123313331323132112322133
>>
B3311331313231311331322331333132313231323331333131123313331323132112322132
>>