B3311331313231311331322331333131133133313231133133313331311331321123121
>>
B331133131323131133132233133313113313331323113313331333131133132112312
<<
B3311331313231311331322331333131133133313231133133313331311331321123123
>>
B3311331313231311331322331333131133133313231133133313331311331321123122
>>