C313212111113331323312111133133313331333133313331333133313331333131232321221   >>    C31321211111333132331211113313331333133313331333133313331333133313123232122   <<    C313212111113331323312111133133313331333133313331333133313331333131232321223   >>      C313212111113331323312111133133313331333133313331333133313331333131232321222   >>