C31321211113313121133133313331333133313331123313231333131121223322121   >>    C3132121111331312113313331333133313331333112331323133313112122332212   <<    C31321211113313121133133313331333133313331123313231333131121223322123   >>      C31321211113313121133133313331333133313331123313231333131121223322122   >>