C31321211111333132331211113313331333133313331333131211113313232211   >>    C3132121111133313233121111331333133313331333133313121111331323221   <<    C31321211111333132331211113313331333133313331333131211113313232213   >>      C31321211111333132331211113313331333133313331333131211113313232212   >>