C31321211111333132331211113313331333133313331333133313331311233132313211   >>    C3132121111133313233121111331333133313331333133313331333131123313231321   <<    C31321211111333132331211113313331333133313331333133313331311233132313213   >>      C31321211111333132331211113313331333133313331333133313331311233132313212   >>