B3311331313231311331322331333132311233132333131123313231333132313231313121
>>
B331133131323131133132233133313231123313233313112331323133313231323131312
<<
B3311331313231311331322331333132311233132333131123313231333132313231313123
>>
B3311331313231311331322331333132311233132333131123313231333132313231313122
>>