B33113313132313113313223313331323132333132333131323331333132313331323321211
>>
B3311331313231311331322331333132313233313233313132333133313231333132332121
<<
B33113313132313113313223313331323132333132333131323331333132313331323321213
>>
B33113313132313113313223313331323132333132333131323331333132313331323321212
>>