C31321211111333132331211113313331333133313121211113313331133133313213121   >>    C3132121111133313233121111331333133313331312121111331333113313331321312   <<    C31321211111333132331211113313331333133313121211113313331133133313213123   >>      C31321211111333132331211113313331333133313121211113313331133133313213122   >>