B33113313132313113313223313331323331323131123313331323331323223313231322121
>>
B3311331313231311331322331333132333132313112331333132333132322331323132212
<<
B33113313132313113313223313331323331323131123313331323331323223313231322123
>>
B33113313132313113313223313331323331323131123313331323331323223313231322122
>>