C31321211111333132331211113313331333133313223313331323132222121   >>    C3132121111133313233121111331333133313331322331333132313222212   <<    C31321211111333132331211113313331333133313223313331323132222123   >>      C31321211111333132331211113313331333133313223313331323132222122   >>