C31321211113313121133133313331333133313331323133313331333112231221   >>    C3132121111331312113313331333133313331333132313331333133311223122   <<    C31321211113313121133133313331333133313331323133313331333112231223   >>      C31321211113313121133133313331333133313331323133313331333112231222   >>