B33113313132313113313223313331311331333132311331333133313113313221121133121
>>
B3311331313231311331322331333131133133313231133133313331311331322112113312
<<
B33113313132313113313223313331311331333132311331333133313113313221121133123
>>
B33113313132313113313223313331311331333132311331333133313113313221121133122
>>