C31321211111333132331211113313331333133313331333133313331333132233132212221   >>    C3132121111133313233121111331333133313331333133313331333133313223313221222   <<    C31321211111333132331211113313331333133313331333133313331333132233132212223   >>      C31321211111333132331211113313331333133313331333133313331333132233132212222   >>