C1111233131211111211113313331333133313331313331333133313331333112331322122331   >>    C111123313121111121111331333133313331333131333133313331333133311233132212233   <<    C1111233131211111211113313331333133313331313331333133313331333112331322122333   >>      C1111233131211111211113313331333133313331313331333133313331333112331322122332   >>