C31321211111333132331211113313331333133313331333133313331333132321333121   >>    C3132121111133313233121111331333133313331333133313331333133313232133312   <<    C31321211111333132331211113313331333133313331333133313331333132321333123   >>      C31321211111333132331211113313331333133313331333133313331333132321333122   >>