C31321211111333132331211113313331333133313121211111333132233111   >>    C3132121111133313233121111331333133313331312121111133313223311   <<    C31321211111333132331211113313331333133313121211111333132233113   >>      C31321211111333132331211113313331333133313121211111333132233112   >>