C111123313331323113313331313331333132313331322121111331312323233231   >>    C11112331333132311331333131333133313231333132212111133131232323323   <<    C111123313331323113313331313331333132313331322121111331312323233233   >>      C111123313331323113313331313331333132313331322121111331312323233232   >>