B3311331313231311331322331333131133132311233132313331333132313132322121
>>
B331133131323131133132233133313113313231123313231333133313231313232212
<<
B3311331313231311331322331333131133132311233132313331333132313132322123
>>
B3311331313231311331322331333131133132311233132313331333132313132322122
>>