B3311331313231311331322331333131133132313133313232233131333132212111
>>
B331133131323131133132233133313113313231313331323223313133313221211
<<
B3311331313231311331322331333131133132313133313232233131333132212113
>>
B3311331313231311331322331333131133132313133313232233131333132212112
>>