B3311331313231311331322331333132313331323133313233313331311331333131123322121
>>
B331133131323131133132233133313231333132313331323331333131133133313112332212
<<
B3311331313231311331322331333132313331323133313233313331311331333131123322123
>>
B3311331313231311331322331333132313331323133313233313331311331333131123322122
>>