C31321211113313121133133313331333133313331333133313331333133313112132313221   >>    C3132121111331312113313331333133313331333133313331333133313331311213231322   <<    C31321211113313121133133313331333133313331333133313331333133313112132313223   >>      C31321211113313121133133313331333133313331333133313331333133313112132313222   >>