B33113313132313113313223313331323132313331333133112313331311331322232211
>>
B3311331313231311331322331333132313231333133313311231333131133132223221
<<
B33113313132313113313223313331323132313331333133112313331311331322232213
>>
B33113313132313113313223313331323132313331333133112313331311331322232212
>>