C312312111111331312111133133313331323121111133313331333133313131111211
>>
C31231211111133131211113313331333132312111113331333133313331313111121
<<
C312312111111331312111133133313331323121111133313331333133313131111213
>>
C312312111111331312111133133313331323121111133313331333133313131111212
>>