B3311331313231311331322331333131133132313131133133313232233132313221323111
>>
B331133131323131133132233133313113313231313113313331323223313231322132311
<<
B3311331313231311331322331333131133132313131133133313232233132313221323113
>>
B3311331313231311331322331333131133132313131133133313232233132313221323112
>>