B3311331313231311331322331333131133131323131133133313231333132211311
>>
B331133131323131133132233133313113313132313113313331323133313221131
<<
B3311331313231311331322331333131133131323131133133313231333132211313
>>
B3311331313231311331322331333131133131323131133133313231333132211312
>>