B3311331313231311331322331333131133133313231133133313232233312131
>>
B331133131323131133132233133313113313331323113313331323223331213
<<
B3311331313231311331322331333131133133313231133133313232233312133
>>
B3311331313231311331322331333131133133313231133133313232233312132
>>