B3311331313231311331322331333132313331322331323133313331323132332121221
>>
B331133131323131133132233133313231333132233132313331333132313233212122
<<
B3311331313231311331322331333132313331322331323133313331323132332121223
>>
B3311331313231311331322331333132313331322331323133313331323132332121222
>>