B3311331313231311331322331333132333133313132233133313232233132323132211
>>
B331133131323131133132233133313233313331313223313331323223313232313221
<<
B3311331313231311331322331333132333133313132233133313232233132323132213
>>
B3311331313231311331322331333132333133313132233133313232233132323132212
>>