B3311331313231311331322331333132313331322331323133313331333131313232211
>>
B331133131323131133132233133313231333132233132313331333133313131323221
<<
B3311331313231311331322331333132313331322331323133313331333131313232213
>>
B3311331313231311331322331333132313331322331323133313331333131313232212
>>