B3311331313231311331322331333131133132333132333133313223313231312323311
>>
B331133131323131133132233133313113313233313233313331322331323131232331
<<
B3311331313231311331322331333131133132333132333133313223313231312323313
>>
B3311331313231311331322331333131133132333132333133313223313231312323312
>>