C11111211113313112113313331333133313331312322121111331322132232311   >>    C1111121111331311211331333133313331333131232212111133132213223231   <<    C11111211113313112113313331333133313331312322121111331322132232313   >>      C11111211113313112113313331333133313331312322121111331322132232312   >>