B3311331313231311331322331333132333133313132233133313232233132313113312111
>>
B331133131323131133132233133313233313331313223313331323223313231311331211
<<
B3311331313231311331322331333132333133313132233133313232233132313113312113
>>
B3311331313231311331322331333132333133313132233133313232233132313113312112
>>