B33113313132313113313223313331311331333132332132313331333131333132313231131
>>
B3311331313231311331322331333131133133313233213231333133313133313231323113
<<
B33113313132313113313223313331311331333132332132313331333131333132313231133
>>
B33113313132313113313223313331311331333132332132313331333131333132313231132
>>