C1111233131211111211113313331333133313331313331333133313331333131322122321   >>    C111123313121111121111331333133313331333131333133313331333133313132212232   <<    C1111233131211111211113313331333133313331313331333133313331333131322122323   >>      C1111233131211111211113313331333133313331313331333133313331333131322122322   >>