C31321211111333132331211113313331333133313223313331323132212321231   >>    C3132121111133313233121111331333133313331322331333132313221232123   <<    C31321211111333132331211113313331333133313223313331323132212321233   >>      C31321211111333132331211113313331333133313223313331323132212321232   >>