C312312111133131212111133133313331333133112113313331333133313112132222121
>>
C31231211113313121211113313331333133313311211331333133313331311213222212
<<
C312312111133131212111133133313331333133112113313331333133313112132222123
>>
C312312111133131212111133133313331333133112113313331333133313112132222122
>>