C31321211111333132331211113313331333133313121211113313223313223311221123131   >>    C3132121111133313233121111331333133313331312121111331322331322331122112313   <<    C31321211111333132331211113313331333133313121211113313223313223311221123133   >>      C31321211111333132331211113313331333133313121211113313223313223311221123132   >>