C31321211113313121133133313331333133313331323133313331333133313331323113232221   >>    C3132121111331312113313331333133313331333132313331333133313331333132311323222   <<    C31321211113313121133133313331333133313331323133313331333133313331323113232223   >>      C31321211113313121133133313331333133313331323133313331333133313331323113232222   >>