C313212111113331323312111133133313331333133313331333133313331311331331123221221   >>    C31321211111333132331211113313331333133313331333133313331333131133133112322122   <<    C313212111113331323312111133133313331333133313331333133313331311331331123221223   >>      C313212111113331323312111133133313331333133313331333133313331311331331123221222   >>