B132333131333131232313331311211331323223313233313331323331311331311331311212121
>>
B13233313133313123231333131121133132322331323331333132333131133131133131121212
<<
B132333131333131232313331311211331323223313233313331323331311331311331311212123
>>
B132333131333131232313331311211331323223313233313331323331311331311331311212122
>>