B33113313132313113313223313331311331323221313331323132313331323132313232211211
>>
B3311331313231311331322331333131133132322131333132313231333132313231323221121
<<
B33113313132313113313223313331311331323221313331323132313331323132313232211213
>>
B33113313132313113313223313331311331323221313331323132313331323132313232211212
>>