B3311331313231311331322331333132333132332113313331333132313232212231
>>
B331133131323131133132233133313233313233211331333133313231323221223
<<
B3311331313231311331322331333132333132332113313331333132313232212233
>>
B3311331313231311331322331333132333132332113313331333132313232212232
>>