C31321211111333132331211113313331333133313331333133313331333133313113211331221   >>    C3132121111133313233121111331333133313331333133313331333133313331311321133122   <<    C31321211111333132331211113313331333133313331333133313331333133313113211331223   >>      C31321211111333132331211113313331333133313331333133313331333133313113211331222   >>