C1111233133313231133133313331333133313231232313331333131323132333221   >>    C111123313331323113313331333133313331323123231333133313132313233322   <<    C1111233133313231133133313331333133313231232313331333131323132333223   >>      C1111233133313231133133313331333133313231232313331333131323132333222   >>