B3311331313231311331322331333132313231333133313311211113312111133132332212121
>>
B331133131323131133132233133313231323133313331331121111331211113313233221212
<<
B3311331313231311331322331333132313231333133313311211113312111133132332212123
>>
B3311331313231311331322331333132313231333133313311211113312111133132332212122
>>