B3311331313231311331322331333132313331322331323133313232233131333132211331
>>
B331133131323131133132233133313231333132233132313331323223313133313221133
<<
B3311331313231311331322331333132313331322331323133313232233131333132211333
>>
B3311331313231311331322331333132313331322331323133313232233131333132211332
>>