C312312111111331312111133133313121111133313113313331332133322121
>>
C31231211111133131211113313331312111113331311331333133213332212
<<
C312312111111331312111133133313121111133313113313331332133322123
>>
C312312111111331312111133133313121111133313113313331332133322122
>>