B3311331313231311331322331333132313233313233313132333133313231333132231312321
>>
B331133131323131133132233133313231323331323331313233313331323133313223131232
<<
B3311331313231311331322331333132313233313233313132333133313231333132231312323
>>
B3311331313231311331322331333132313233313233313132333133313231333132231312322
>>