C31321211111333132331211113313331333133313331333133313331333132323133313112221   >>    C3132121111133313233121111331333133313331333133313331333133313232313331311222   <<    C31321211111333132331211113313331333133313331333133313331333132323133313112223   >>      C31321211111333132331211113313331333133313331333133313331333132323133313112222   >>