B3311331313231311331322331333132313331322331323133313331321123233322121
>>
B331133131323131133132233133313231333132233132313331333132112323332212
<<
B3311331313231311331322331333132313331322331323133313331321123233322123
>>
B3311331313231311331322331333132313331322331323133313331321123233322122
>>