B3311331313231311331322331333132333132332113313331333133313121111132313123231
>>
B331133131323131133132233133313233313233211331333133313331312111113231312323
<<
B3311331313231311331322331333132333132332113313331333133313121111132313123233
>>
B3311331313231311331322331333132333132332113313331333133313121111132313123232
>>