B33113313132313113313223313331323331313331322331333132333132313232211211
>>
B3311331313231311331322331333132333131333132233133313233313231323221121
<<
B33113313132313113313223313331323331313331322331333132333132313232211213
>>
B33113313132313113313223313331323331313331322331333132333132313232211212
>>