B3311331313231311331322331333131133132313131133133313232233132313231333211331
>>
B331133131323131133132233133313113313231313113313331323223313231323133321133
<<
B3311331313231311331322331333131133132313131133133313232233132313231333211333
>>
B3311331313231311331322331333131133132313131133133313232233132313231333211332
>>