C313212111113331323312111133133313331333133313331333133313113313331313113313221   >>    C31321211111333132331211113313331333133313331333133313331311331333131311331322   <<    C313212111113331323312111133133313331333133313331333133313113313331313113313223   >>      C313212111113331323312111133133313331333133313331333133313113313331313113313222   >>