B3311331313231311331322331333132322331323231333133313231323131323221
>>
B331133131323131133132233133313232233132323133313331323132313132322
<<
B3311331313231311331322331333132322331323231333133313231323131323223
>>
B3311331313231311331322331333132322331323231333133313231323131323222
>>