C11111211113313112113313331333133313331312322121111113313113313221322333221   >>    C1111121111331311211331333133313331333131232212111111331311331322132233322   <<    C11111211113313112113313331333133313331312322121111113313113313221322333223   >>      C11111211113313112113313331333133313331312322121111113313113313221322333222   >>