C31321211111333132331211113313331333133313331333133313331333132331133112121   >>    C3132121111133313233121111331333133313331333133313331333133313233113311212   <<    C31321211111333132331211113313331333133313331333133313331333132331133112123   >>      C31321211111333132331211113313331333133313331333133313331333132331133112122   >>