B3311331313231311331322331333132333132332113313331333131323132313231311
>>
B331133131323131133132233133313233313233211331333133313132313231323131
<<
B3311331313231311331322331333132333132332113313331333131323132313231313
>>
B3311331313231311331322331333132333132332113313331333131323132313231312
>>