C31321211113313121133133313331333133313331123313331333131222323213232321   >>    C3132121111331312113313331333133313331333112331333133313122232321323232   <<    C31321211113313121133133313331333133313331123313331333131222323213232323   >>      C31321211113313121133133313331333133313331123313331333131222323213232322   >>