C31321211111333132331211113313331333133313331333133313331311233132312311   >>    C3132121111133313233121111331333133313331333133313331333131123313231231   <<    C31321211111333132331211113313331333133313331333133313331311233132312313   >>      C31321211111333132331211113313331333133313331333133313331311233132312312   >>