C31321211111333132331211113313331333133313331333133313331311331323132313232211   >>    C3132121111133313233121111331333133313331333133313331333131133132313231323221   <<    C31321211111333132331211113313331333133313331333133313331311331323132313232213   >>      C31321211111333132331211113313331333133313331333133313331311331323132313232212   >>