B33113313132313113313223313331323132333132332313331333132321133132322121121
>>
B3311331313231311331322331333132313233313233231333133313232113313232212112
<<
B33113313132313113313223313331323132333132332313331333132321133132322121123
>>
B33113313132313113313223313331323132333132332313331333132321133132322121122
>>