B3311331313231311331322331333131133133313231133133313233231311311
>>
B331133131323131133132233133313113313331323113313331323323131131
<<
B3311331313231311331322331333131133133313231133133313233231311313
>>
B3311331313231311331322331333131133133313231133133313233231311312
>>