C31321211111333132331211113313331333133313331333133313331211113313223313123221   >>    C3132121111133313233121111331333133313331333133313331333121111331322331312322   <<    C31321211111333132331211113313331333133313331333133313331211113313223313123223   >>      C31321211111333132331211113313331333133313331333133313331211113313223313123222   >>