C31321211111333132331211113313331333133313331333133313231211121   >>    C3132121111133313233121111331333133313331333133313331323121112   <<    C31321211111333132331211113313331333133313331333133313231211123   >>      C31321211111333132331211113313331333133313331333133313231211122   >>