B3311331313231311331322331333132313231333133313311211113312111133133112322211
>>
B331133131323131133132233133313231323133313331331121111331211113313311232221
<<
B3311331313231311331322331333132313231333133313311211113312111133133112322213
>>
B3311331313231311331322331333132313231333133313311211113312111133133112322212
>>