B331133131323131133132233133313231323132333133313113313331312111133132332212131
>>
B33113313132313113313223313331323132313233313331311331333131211113313233221213
<<
B331133131323131133132233133313231323132333133313113313331312111133132332212133
>>
B331133131323131133132233133313231323132333133313113313331312111133132332212132
>>