B3311331313231311331322331333131133133313111333133313231311211331
>>
B331133131323131133132233133313113313331311133313331323131121133
<<
B3311331313231311331322331333131133133313111333133313231311211333
>>
B3311331313231311331322331333131133133313111333133313231311211332
>>