B3311331313231311331322331333131133131323131133133313232211211311
>>
B331133131323131133132233133313113313132313113313331323221121131
<<
B3311331313231311331322331333131133131323131133133313232211211313
>>
B3311331313231311331322331333131133131323131133133313232211211312
>>