C31321211111333132331211113313331333133313331333133313133313231   >>    C3132121111133313233121111331333133313331333133313331313331323   <<    C31321211111333132331211113313331333133313331333133313133313233   >>      C31321211111333132331211113313331333133313331333133313133313232   >>