B3311331313231311331322331333132313232222331323132322331323132333131323321
>>
B331133131323131133132233133313231323222233132313232233132313233313132332
<<
B3311331313231311331322331333132313232222331323132322331323132333131323323
>>
B3311331313231311331322331333132313232222331323132322331323132333131323322
>>