B3311331313231311331322331333131133132333132333133313223313231323221333222311
>>
B331133131323131133132233133313113313233313233313331322331323132322133322231
<<
B3311331313231311331322331333131133132333132333133313223313231323221333222313
>>
B3311331313231311331322331333131133132333132333133313223313231323221333222312
>>