C1111133313331323223313331333133313331323133313331333112121133131323231   >>    C111113331333132322331333133313331333132313331333133311212113313132323   <<    C1111133313331323223313331333133313331323133313331333112121133131323233   >>      C1111133313331323223313331333133313331323133313331333112121133131323232   >>