C31321211111333132331211113313331333133313331333133311233112121   >>    C3132121111133313233121111331333133313331333133313331123311212   <<    C31321211111333132331211113313331333133313331333133311233112123   >>      C31321211111333132331211113313331333133313331333133311233112122   >>