C31321211111333132331211113313331333133313331333133313331333132331211111212121   >>    C3132121111133313233121111331333133313331333133313331333133313233121111121212   <<    C31321211111333132331211113313331333133313331333133313331333132331211111212123   >>      C31321211111333132331211113313331333133313331333133313331333132331211111212122   >>