C31321211111333132331211113313331333133313331333133313331333133112313332221   >>    C3132121111133313233121111331333133313331333133313331333133313311231333222   <<    C31321211111333132331211113313331333133313331333133313331333133112313332223   >>      C31321211111333132331211113313331333133313331333133313331333133112313332222   >>