C31321211111333132331211113313331333133313331333133313233322311   >>    C3132121111133313233121111331333133313331333133313331323332231   <<    C31321211111333132331211113313331333133313331333133313233322313   >>      C31321211111333132331211113313331333133313331333133313233322312   >>