B3311331313231311331322331333132313233313231333131133133313121111331322312121
>>
B331133131323131133132233133313231323331323133313113313331312111133132231212
<<
B3311331313231311331322331333132313233313231333131133133313121111331322312123
>>
B3311331313231311331322331333132313233313231333131133133313121111331322312122
>>