B132333131333131232313331311211331323223313233313331323133313232223213331121
>>
B13233313133313123231333131121133132322331323331333132313331323222321333112
<<
B132333131333131232313331311211331323223313233313331323133313232223213331123
>>
B132333131333131232313331311211331323223313233313331323133313232223213331122
>>