B3311331313231311331322331333132313233313231333131133131133132331111311
>>
B331133131323131133132233133313231323331323133313113313113313233111131
<<
B3311331313231311331322331333132313233313231333131133131133132331111313
>>
B3311331313231311331322331333132313233313231333131133131133132331111312
>>