B3311331313231311331322331333132313331323131323223313232213231211
>>
B331133131323131133132233133313231333132313132322331323221323121
<<
B3311331313231311331322331333132313331323131323223313232213231213
>>
B3311331313231311331322331333132313331323131323223313232213231212
>>