C313212111113331323312111133133313331333133313331333133313331333131232321121   >>    C31321211111333132331211113313331333133313331333133313331333133313123232112   <<    C313212111113331323312111133133313331333133313331333133313331333131232321123   >>      C313212111113331323312111133133313331333133313331333133313331333131232321122   >>