B331133131323131133132233133313233313331323133211331333133313112111123231
>>
B33113313132313113313223313331323331333132313321133133313331311211112323
<<
B331133131323131133132233133313233313331323133211331333133313112111123233
>>
B331133131323131133132233133313233313331323133211331333133313112111123232
>>