B132333131333131232313331311211331323223313233313331323133313113313232233121
>>
B13233313133313123231333131121133132322331323331333132313331311331323223312
<<
B132333131333131232313331311211331323223313233313331323133313113313232233123
>>
B132333131333131232313331311211331323223313233313331323133313113313232233122
>>