B3311331313231311331322331333132313233313231333131133133313121111331323121121
>>
B331133131323131133132233133313231323331323133313113313331312111133132312112
<<
B3311331313231311331322331333132313233313231333131133133313121111331323121123
>>
B3311331313231311331322331333132313233313231333131133133313121111331323121122
>>