C313212111113331323312111133133313331333133313331333133313331323311331323221221   >>    C31321211111333132331211113313331333133313331333133313331333132331133132322122   <<    C313212111113331323312111133133313331333133313331333133313331323311331323221223   >>      C313212111113331323312111133133313331333133313331333133313331323311331323221222   >>