B3311331313231311331322331333131133132313133313232233131333132313231211
>>
B331133131323131133132233133313113313231313331323223313133313231323121
<<
B3311331313231311331322331333131133132313133313232233131333132313231213
>>
B3311331313231311331322331333131133132313133313232233131333132313231212
>>