B3311331313231311331322331333132313233313231333131123313331323123122211
>>
B331133131323131133132233133313231323331323133313112331333132312312221
<<
B3311331313231311331322331333132313233313231333131123313331323123122213
>>
B3311331313231311331322331333132313233313231333131123313331323123122212
>>