B3311331313231311331322331333132233131133132233133313231333131133131133122331
>>
B331133131323131133132233133313223313113313223313331323133313113313113312233
<<
B3311331313231311331322331333132233131133132233133313231333131133131133122333
>>
B3311331313231311331322331333132233131133132233133313231333131133131133122332
>>