B3311331313231311331322331333131133132333132333133313223313231333132322211111
>>
B331133131323131133132233133313113313233313233313331322331323133313232221111
<<
B3311331313231311331322331333131133132333132333133313223313231333132322211113
>>
B3311331313231311331322331333131133132333132333133313223313231333132322211112
>>