C31321211111333132331211113313331333133313331333133313231323232311   >>    C3132121111133313233121111331333133313331333133313331323132323231   <<    C31321211111333132331211113313331333133313331333133313231323232313   >>      C31321211111333132331211113313331333133313331333133313231323232312   >>