B33113313132313113313223313331323132333132333131133131323133313231322121
>>
B3311331313231311331322331333132313233313233313113313132313331323132212
<<
B33113313132313113313223313331323132333132333131133131323133313231322123
>>
B33113313132313113313223313331323132333132333131133131323133313231322122
>>