C31321211111333132331211113313331333133313331333133313331323133313233221221   >>    C3132121111133313233121111331333133313331333133313331333132313331323322122   <<    C31321211111333132331211113313331333133313331333133313331323133313233221223   >>      C31321211111333132331211113313331333133313331333133313331323133313233221222   >>