B3311331313231311331322331333131133133313231133133313232213113121
>>
B331133131323131133132233133313113313331323113313331323221311312
<<
B3311331313231311331322331333131133133313231133133313232213113123
>>
B3311331313231311331322331333131133133313231133133313232213113122
>>